Thor is so certain that this is supposed to be a conversation about his feelings, 'bottling them up' as humans often say, and so the tack that she takes with her final statements catches him completely off-guard. Don't most homes smell of ale, when it's time for a meal? And she brought him this gingered ale, as well. But this is a problem to her?

Bewilderment creeps into his eye and he chuckles nervously, lifting the glass to drink from it. What has gotten into everyone all of a sudden? "All Asgardians drink." Sure, he's been drinking more than most, but he needs it.