It took me until my 50s to stop being self-conscious about my slender body and skinny arms. Exercising more helped a bit but it was mostly in my head. My advice - love yourself now! (The sign was for a Twitter pro-nudity campaign)
33rd week of pregnancy. It's getting harder dealing with the changes of my body. I just keep growing and growing and I'm aware I can't control it, but I wish I was smaller.