Earlier quoted context omitted.
To a poet everything rhymes.
I don't know. Seems sound enough. Unless you put forward more specific criticism – and I'd be happy to hear your thoughts – I'll be a poet today.
If the partner doesn't like you, you can say all the right, do all the right things, etc and still be passed-over.
Then another partner comes in and does all the wrong things. Still he gets not passed-over.
There's chemistry involved in relationships as well. From smell to much more subtle things. It's a function with infinite variables. We can create models that help us understand society, economy, etc. But these are social sciences, the outcome is affected by the observer ;-)