I mean my girlfriends ex had 3 inches and she somehow got off from it? feel like it all comes down to the person like a girl who's had quite a few up her shall we say and various sizes obviously a 4 incher to her will be small....if a girl had 6+ inches in her past relationships then comes down to 4 inches then to them its small but in reality they're just used to big ones lmao.
4+ inches is more than enough but its also normal for them to not get off just from sex.