Birkhoff had no idea how this would go. He had the same concern Nat seemed to have about him; he didn't want to push her into it just because she thought they should be together due to having a daughter. It wasn't like she was the only Alex there, as confusing as that was, but she was the one he got along with the best and talked to the most.
Alex wouldn't have said yes just because of Natalia, right? He hoped that was the case, but wasn't positive.
He tried not to overthink it though, and just enjoy the night. Maybe even if they did start just because of Natalia, it didn't mean it couldn't develop into something more.
Birkhoff saw Alex come in and pushed it into the back of his mind, going over to her. "Hey," he greeted, trying not to be awkward.