If I’m not all in, willing to see where it will go, I don’t bother. I won’t waste your time or mine.
Who can give 50% and be happy? Who can get 50% and be happy?
Relationships are 100%/100%.
And this is the same for me in nonmonogamy as in anything else. If I’m not willing to explore everything that the relationship could be—whatever that is—I’m not going to even start. That’s not fair to anyone.