Jaemin is your boyfriend, you've been dating him for 6 months

your friends are talking about adult things, you don't listen to what your friends are talking about, but jaemin hears it, he keeps looking at you, then during break

jaemin grabs your hand and corner you

"why do you listen to your friends talking about adult things? do you want to try it, hm?~" jaemin said while pointing his hand to your thigh and stroking it