I used to be afraid of losing people until i realized most of them were never really down for me anyway. Even though my loyalty and love for them ran deep, they couldn't care less. So instead of being afraid of losing them, i fell back and watched them lose me. Growth.
One of the best signs of your growth is seeing yourself no longer worried, bothered, or hurt by the things that once used to drain you. You're getting better and it feels so good.