They likely hadn't even hit the tip of the iceberg about that topic. And yes, that past that had given him the reason to keep everyone at arm's length was the last thing he was thinking about right now.
She definitely still had it. Really, the alcohol was just an excuse to get close to her again. Cathair had never met anyone he could relate to before, in nearly every way. It was so incredibly freeing. Which was probably how she broke him so fast.
In this situation, there was only two things to do. Stop, apologize and leave, isolate himself from her to avoid the awkwardness and doubting; or run with it. At this point, in this circumstance, running with it seemed the better choice. Or at least, the more appealing one.
Cath groaned into the kiss as she pulled herself tighter against him. He didn't bother to rid himself of the whiskey bottle, wrapping his arms around her, his free hand winding into her hair a bit. He'd all but forgotten it at this point, and just deepened the kiss, his tongue brushing against her lips, seeking entrance into her mouth.