Fetching details from the dictionary...

matter of taste
食べ物の好みは人それぞれ好きずきだ。
Food preferences are a matter of individual taste.
趣味は好きずきだから口を出さない。
Hobbies are a matter of personal taste, so I don't interfere.
服装は好きずきなので自由にすればいい。
Clothing is a matter of preference, so wear whatever you like.