In my family and friends group, friendships and partners can often orthogonal: You do different things with different people and they add to life experience, no

In my family and friends group, friendships and partners can often orthogonal: You do different things with different people and they add to life experience, not substract. I can imagine that if you state to your partner that they are number two and always will stay, it might already put a strain on the relationship: In a sense a self-fulfilling prophecy.