Keeping Her (Losing It #1.5) by Cora Carmack

Garrick Taylor and Bliss Edwards managed to find their happily-ever-after despite a rather . . . ahem . . . complicated start. By comparison, meeting the parents should be an absolute breeze, right?   

But from the moment the pair lands in London, new snags just keep cropping up: a disapproving mother-in-law-to-be, more than one (mostly) minor mishap, and the realization that perhaps they aren't quite as ready for their future as they thought.

As it turns out, the only thing harder than finding love is keeping it.