I don’t think the escalation stopped from the first to the last panel. From “Hey we’re dating now so... drop your drawers please?” All the way to “Will you marry my dick?” I mean I’m sure there are pre-existing marriages by dick but none so overt and to the point. This bluntness is refreshing but also, although very straightforward, a little confusing too. At least they laid everything out there. No b.s.
"Does that mean I get to do anything I want with your penis"? Erm...I suppose so?
...Great ending though. Well, yeah, I suppose marriage is indeed one way to make sure she doesn't go searching for a more ideal dick...But proposing to her with your dick is certainly interesting. Makes me wonder what the kiss during their...marriage ceremony would be like.