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)
The snow is all melted now, but the forest still beautiful. [F38, 5'8", 135 lb or so, one child] Picture taken with pro equipment. Might post more from this photoshoot later, if I feel like it.