So what happens when the “relationship factory” runs badly, and 20% of people do most of the emotional work and the rest sink it? Get 100 daters with similar looks and stats; are they all equally good partners? If one man shows up, leads, listens, and another ghosts, lies, and drains, do they deserve the same romantic return? If we have ten women and two are amazing girlfriends and the rest are chaos, do we love them all equally? Equal outcome kills motivation to be an excellent partner.