Sammy- when you run your hands through his hair
You guys could be cuddling on the couch watching a movie, and as soon as you run your fingers through his hair he immediately gets turned on.
Nate- when you trace his tattoos
He just loves the feeling of you touching him and how soft your hands feel, and how you softly trace his tattoos.
Jack G- when you sit on his lap
Even if you don't know it he always gets turned on when you sit on his lap, and since you don't know this you always accidently move around which makes him go crazy.
Jack J- when you get really mad at him
When you guys argue it drives him crazy like when you yell at him he tries so hard to listen but he cant help the dirty thoughts going through his head.