These two have a LOT of baggage to work this and it's not always best for them to be together. But Grey is being contractually obligated to fake date Ethan to try and get him back into the spotlight from being a recluse.  Things go awry (and not for the first time) on a weekend getaway. Then they make up and then break up again because Ethan can't really handle the spotlight because of the past and losing his best friend.

There is a lot of sizzle between the two most of the time even when they are mad at each other. The tension is palpable even when the romance is  sparking.

The ending was a great way to do it. Let them get themselves to a good place, individually, before ending up with each other.