gabenella - Two people who are currently fighting like wild animals but

Two people who are currently fighting like wild animals but will eventually end up married because they can’t live without each other

Those two are a gabenella. They fight like wild animals but will end up married.

My friend and his ex are a gabenella. They fight like dogs but still end up together.

My neighbor and his ex are a gabenella. They fight like cats but will end up married.