He gives Spike a slightly questioning look at the smirk, not sure what it's for.
"Good point. Break the cheap stuff." He accepts the bottle and pours himself another couple fingers. "Or the drinking glasses instead of the booze. Or windows."
Shrugging, he smirks again. "Not really a winner. Brawls are kind of over when guns get pulled, and then it's time to drink. Lot of property damage. Same as ever."
A pair of not-humble flirts, indeed :P Read a wiki article on Spike to better familiarize with him. I've had various friends who've adored BtVS but never followed it myself.