[...That's almost a relief to hear, although he's positive it comes with the additional unspoken caveat of "when we're not strongly disagreeing with each other and arguing." That's fine. The fact that they can still spend time like this, even with something like that in mind... It says a lot, doesn't it?]

It was fun. I go there myself a lot, but it's always better to have a player two around.

[He's probably not going to get a better opportunity to ask. But how? He doesn't want to be too direct and make Liz nervous or corner her into anything...]

What do you think? Should I take you somewhere more romantic next time?

[That's very clear, and direct, but not too forceful... Maybe it would have been better with a joke at the end, but he's coming up short.]