Well needless to say like attracts like, cleverness is interested in cleverness and so on – but it doesn’t completely explain it.
Possibly within the final end it may be discovered that attraction, or dare say passion, is really a limbic – perhaps perhaps not cortical – occurrence. Therefore first you fall in love, after which there is certainly a feeble not-quite-right try to explain why — yet somehow you can’t love somebody who has “everything right” going. Wow, therefore What About That.
Can’t legislate and can’t negotiate true desire. But it certain is fun and safe to try to seem sensible from it and produce theories that are new. It really is that which we do.