We’ve all been there – you want to tickle your new die-hard dude with a treat he’ll love. But he’s gaming most of the time, so you haven’t gotten a good read on what will sweep him off the couch, and subsequently his feet. Fear not! If he’s been gaming, he’s also been leaving a digital trail of clues for how to make his dualshock rumble. Socializers Do you sometimes find him on his headset swapping opinions on memes with preteen boys? Are there days when he talks to NPCs more than he talks to you? Does he take to…