Do most girls find s a turn on when with their bf?

next time your with her and u get hard, start to just heat things up a lil by kissing her neck or making out. then if its the right moment, just slowly grab her hand and place it near your "hoo hoo." then she will definitely know whats up. and if ur too shy to do that, then just whisper it in her ear or something.... And yes most girls like it when ur hard.