What is a life without worries? But you cannot let the worries be your life.
Live your life the way you want to, take all input as a peace of mind. There is nothing upsetting you if you stop worrying about who you meet. Live your life how you want it to be, there is nothing stopping you.
What can you do about your feelings? Experience them and let go of it.
What can you do about your thoughts? Learn what they are and what is stopping you from living the life you want.