Since Sean's sure there will be plenty of those (even skipping over all of the hard years, he still managed to screw up, after all), he just bites his lip and nods. It occurs to him, then, seeing the way that Meredith goes on with the girl, that considering the female company Tom's been known to keep in the last few years, she's got to be the most maternal thing Theresa's seen since the day the world came down around her ears. He shouldn't need it, but the extra boost that gives to his assurance that he did the right thing in taking her home counts for a lot. "I'm gonna do right by ye no matter what ye throw at me," he says, drumming his fingers lightly against her chest. "Everythin' that came before... none of it matters now." Turning his gaze back up to Meredith, he grins. "See, I c'n enjoy a thing while still bein' scared stiff."