If Thomas was looking to touch a nerve, he's just gone and succeeded. In a big way. Raph's shoulders tense, and those that know him well know that he's working his way down from ten before he forces his jaw to unclench.

Way to go, Tomas. You are officially a buzzkill.
Raph gives Abigail a nudge to let her know he's putting her down before he does so.

"That'd really be between me an' Abigail, wouldn't it?" His voice and tone is even. Too even. It's an even that comes off sounding as a little too forced for comfort.

"But while we're on the subject, when you plannin' on makin' her an aunt?"