proclivity
/prəˈklɪvɪti/
noun
plural noun: proclivities
a tendency to choose or do something regularly; an inclination or predisposition towards a particular thing.
"a proclivity for hard work"
synonyms: liking, inclination, tendency, leaning, disposition, propensity, bent, bias, penchant, predisposition, predilection, partiality, preference, taste, fondness, weakness, proneness; rarevelleity
"his sexual proclivities are none of your business"