[ Women’s Health ] Open Question : Why does my dildo feel better when I insert it from behind rather than when I’m laying on my back?

I know it sounds like a strange question that a troll would probably ask? But i’m seriously wondering. I am a virgin, and i’ve been trying to “stretch myself out” with a dildo so a guy doesn’t have to. I don’t want my virginity loss to be a painful, embarrassing experience, hence why I want…