It is almost impossible to stop wondering about what others’ think. It’s how we look at it and how much we let it impact that our lives that is key. 28 simple ways to stop worrying below;

1. Analyse Your Thoughts: When do you worry about what others think? Why do you worry about it? See if there are underlying patterns or ways you feel about yourself that could be triggering your worry. Put in place an action plan to deal with them
2. You Are Wise: You are wise enough to notice that you are doing it and to look for help to get it sorted. That in itself is a big step to overcoming the worry
3. It’s Natural: As mentioned earlier in this article, the need for good relationships is an in-built human trait. It is natural to think and worry about what others think
4. Most people do it. Yep, most people worry about it. Realising this can help lower the worry levels or at least put the mind at ease. As most people are doing it, this leads on to… 
5. People Are Not Thinking About You: It may sound harsh but they’re not. 99% of the time people are thinking about themselves (or worrying about what others think!). Stop worrying about them as they are most likely not worried about you
6. It’s Just a Story: Whatever you’re telling yourself, it’s just a story that you are making up your mind. You don’t know what other people are saying so you could make up any myriad of possible situations or thoughts. Think up a positive one instead of worrying about it.
7. You Can Only Control Your Own Action & Words: There is nothing you can do control other people actions & words. Realise this and save yourself the effort worrying and attempting to do it
8. Some People Are Just Like That: Some people like to gossip and talk about others. It’s an ingrained feature in them. If that’s the way they want to be, let them get on with it but don’t actually worry about it
9. Cut Out or Limit Your Exposure to Negative People: These are the people who make us worry the most. Cut out or at least cut down the time you spend with them and cut out the worry in the process
10. Why Might Others Talk or Think About You: Others may talk or think about you for a variety of reasons. These reasons can range from love through to jealousy. Whatever is driving them to talk or think about you, you obviously have qualities that are worth discussing or thinking about it. Enjoy it
11. Work on Yourself: A lot of the triggers with worrying about what others think start with us and the way we feel about ourself. Do you have hang-ups or negative feelings toward yourself? Work on you, both mentally (here) and physically (here) and the worrying will go 
12. Sometimes Negative Feelings Toward You Are Justified: We all screw up. No one is perfect. If someone has a justifiably negative feeling toward you, do what you can to make amends and then move on
13. The People Who Really Know You Know You: The people closest to you (the ones who really) count know who are you. People who don’t are just guessing. Don’t worry about it and let them guess 
14. Stop Judging Other People Yourself: A double edged sword. We shouldn’t judge people as we don’t know what they have been through and what makes them do the things they do. Judging others also ingrains in us the feeling that others are judging us. Stop it.
15. Does it really matter? Without being too morbid, is it something you will lie on your deathbed and worry about it? Most likely not so why worry about it now?
16. It Doesn’t Help Anything: What is the worrying actually achieving? Nothing except for feelings of anxiety and stress. Let it go 
17. Focus on Your Values: If you live by your values and always try your best, you can remove any worry that may be caused by not doing so. This removes half of the worrying battle
18. Set Boundaries: Tell yourself what and (more importantly) who you are happy to worry about. Banish all other worry from your mind
19. Make a Worry Journal: Write down your worries. Notice when you worry and why. Seeing things in black and white helps us to understand patterns and rationalise
20. Make Worry Time: Set aside 15 mins each day to worry about things. Stick to the time and don’t allow worry at any other time
21. Laugh it Off: Have a positive attitude. When you find yourself worrying, just smile and know that it doesn’t really matter
22. Understand That Not Everyone Will Like You: People are different and some people just don’t get on. That’s fine, it is part of life. Don’t worry about it
23. You Can’t Please All of The People All Of The Time: You really can’t. So stop worrying about it.
24. It is Their Opinion: Everyone has an opinion whether it is “right” or “wrong”. You don’t have to agree with, believe or even think about other people’s opinion. So don’t.
25. Own Your Flaws: You are unique. Be happy with the person that you are and that includes your flaws. Love yourself including your flaws and the worry will melt away
26.  Life is Short: Just live it. Don’t waste it worrying about what others might think. Let it go.
27. Confide in Someone You Trust: Talking always help. If you have a specific worry about someone or situation, talk to someone you trust. A problem shared is a problem halved
28. Get Professional Help: If the worrying is too much, see a counsellor or therapist. There are many trained professionals who will be able to help you talk through it and provide solutions to help