signs and or placements that choose their partner over friends?

Mandatory Not All Signs/People are Not Determined by Their Sign

With that being said, what have been your experiences with people who tend to choose their partner over friendships? Whether that means bringing them along to everything, flaking on plans, or being partner-centered in general?

Again, this is a generalized discussion! I'm just interested in hearing people's experiences and observations regarding patterns they've noticed in their friendships.