⚠️Warning⚠️Boyfriend help

So yesterday me and my boyfriend were home alone and we had sex on my bed my floor and my couch the last time we did it was on the couch and afterwards he got soft and he was trying to hide it because it got really small what should i do to make him feel better because when he’s hard its big asf but on soft its like a shrimp and i love him but he just seems so nervous and afraid that im gonna judge him