Common sense, maturity, humility, and curiosity are all extremely important to me in a partner. Whether my potential partner is book smart is significantly less important to me than whether they treat others with respect and wanting to improve themselves.
With the superficial stuff out of the way, the bottom line is that the thing that matters most is whether or not I want to spend my limited time with them.
If you want more reasons to hate landlords head over to the r/landlords subreddit. The people there are some of the nastiest, heartless people you will ever see.