Costco Sells Lingerie?

For the most part, this one involved walking around some place that reminded me of Costco, and helping my girlfriend pick out new lingerie. They were mostly tasteful and good looking, except for a couple weird ones that had things like wings or intricate designs woven into them. Part way through, we ran into one of my classmates. I stepped away to look at something for a moment, and when I turned around, I saw him feel up my girlfriend, and it was obvious she did not like it. I charged over there, grabbed him by the throat and told him in a not to nice way that if he did it again or came anywhere near my girlfriend, I would kill him.

Then it kinda jumped to me and my girlfriend sitting on a beach cuddling while "Invincible" by Muse played.