The blood now dripping down his leg is not the most reassuring sensation, but it's nothing Sinclair can't ignore. After a moment of preparation, he ventures a step forward--

--and immediately stumbles, letting himself fall back against the wall. Talk about instant regret. He'd rather not look at Jack right now, he'll solve this problem on his own thanks.

"Go on ahead, make yourself at home," he says, waving a hand towards the inside of the apartment. He's obviously aggravated, and he doesn't really care too much about covering it up.