"Have to offer some kind of incentive if you're going to let me keep doing it." Krem grins up at him, rubbing his fingers down the back of Sam's knee then standing up and offering a hand to help him stand and test how much weight he can put on the leg now. In any case, he did want to help Sam get a little better at his physical combat. It would be quite important, if he ever actually did take him up on joining up with the Chargers. Bull wouldn't accept someone that couldn't carry their own weight, on the battlefield or off.