You constantly have to defend your singledom. The girls will always ask how your dating life is with a concerned look on their faces. They just can’t get over you not wanting a boyfriend, because to them it’s the best thing in the world.
Getting engaged and eventually married won’t make your insecurities disappear, it won’t make you feel more whole, it won’t make you instantly happier, it won’t make your fears vanish, it won’t make you feel like your life has more of a purpose. Those things all start with you.