Aw man... she is gonna do this because he doesn't want to stop being a cop. It's the classic "for your sake" crap.
I'm gonna brace for the inevitable time skip and rival fiancee arc ...
There is no way he can know she likes him.
He's figuring out his own feelings but, in his perspective, she doesn't give a damn about him right now.
This is def going go speed up development, but we (readers) all have to feel the hump before anything good happens huh?