Hmm, let's see...

Shoujo Manga: I can't even tell you why, I just enjoy reading these stories.
YA novels: If reading YA novels is worthy of being a guilty pleasure, book me.
Tinkerbell merch: ...
Puns: Both making them and hearing them.
Plushies: I still adore them. And yes, I have some on my bed. Yes, I am 24...
Eating cookie dough: Don't we all though?

Probably have more I'm forgetting cx