affinity for

affinity for

A passionate interest in or affection for something or someone. She must have an affinity for women with dark hair because her girlfriends are always brunettes. You can always find Lucy at the library—she has a real affinity for reading.

affinity for someone or something

a strong preference for something; a strong liking for something. Mary's affinity for classical music accounts for her large collection of recordings.
References in classic literature ?
Caustic potash has a great affinity for carbonic acid; and it is sufficient to shake it in order for it to seize upon the acid and form bicarbonate of potassium.
Eighty-two percent of those with high affinity for a site believe that the site carries advertisements for high-quality products and services, while only 36% of low-affinity users believe so.