[He doesn't smile so much as twitch his mouth up, then nods. He's pleased that Gene actually takes the offer: it's not that they're equals all of a sudden, but Gene needs him a little, here. It makes him feel like maybe he's not just some sap Gene has to take under his wing so that he can get his deal.
When Gene comes back Jimmy's taken out his trench knife and he's idly spinning it around in his hands, twirling it a little before sliding his fingers through the handle.]
[action]
When Gene comes back Jimmy's taken out his trench knife and he's idly spinning it around in his hands, twirling it a little before sliding his fingers through the handle.]