Are you and your partner alike?

Ive been with my man for 6 months and it feels like we’ve switched roles. I’ve picked up his habits and he’s picked up mine, and it’s like his character is what I used to be, and I’m what he used to be.

We also show up places wearing matching clothes without knowing beforehand.

Does anyone else relate to this? I’ve googled it a bit but can’t find much on it, it just seems very weird to me.