How old is the male?

 How old is the female? These two questions are relevant to your question because if the male has been attracted to his niece for a while, perhaps since before she became an adult, then this relationship needs to be severed, in my opinion.

https://www.moteefe.com/store/united-states-navy-i-served-my-country-shirt
https://www.moteefe.com/store/the-dachshund-king-the-lion-shirt
https://www.moteefe.com/store/spooky-feeling-devilish-devil-shirt
https://www.moteefe.com/store/nyc-1969-stonewall-we-will-never-be-silent-sunset-shirt
https://www.moteefe.com/store/nba-toons-cartoon-funny-shirt
https://www.moteefe.com/store/lupus-warrior-i-refuse-to-let-lupus-get-the-best-of-me-shirt
https://www.moteefe.com/store/lgbt-2019-proud-equality-visibility-acceptance-shirt
https://www.moteefe.com/store/lbgt-i-am-proud-of-many-things-in-life-but-nothing-beats-being-a-proud-mom-retro-shirt
https://www.moteefe.com/store/dachshund-wiener-dog-races-champion-shirt
https://www.moteefe.com/store/donald-trump-yes-im-voting-for-him-again-shirts
https://www.moteefe.com/store/prison-mike-the-worst-thing-about-prison-was-the-dementors-t-shirt
https://www.moteefe.com/store/my-clothes-20-cotton-80-cat-hair-shirt
https://www.moteefe.com/store/minnesota-bomba-squad-baseball-shirt
https://www.moteefe.com/store/max-muncy-go-get-it-out-of-the-ocean-shirts
https://www.moteefe.com/store/if-you-dont-believe-they-have-souls-you-havent-looked-into-their-eyes-long-enough-sheltie-dog-shirt
https://www.moteefe.com/store/if-you-cant-have-a-good-time-with-someone-from-massachusetts-horse-probably-your-fault-shirt
https://www.moteefe.com/store/draymond-green-forward-23-nba-2019-shirt
https://www.moteefe.com/store/charlotte-checkers-calder-cup-2019-champions-shirt
https://www.moteefe.com/store/anniversary-100th-season-chicago-bears-shirt
https://moteefe.com/store/if-you-cant-have-a-good-time-with-someone-from-mississippi-platypus-probably-your-fault-shirt
https://www.moteefe.com/store/who-says-pharmacy-is-stressful-im-30-and-i-feel-great-shirt
https://www.moteefe.com/store/abraham-lincoln-floss-like-a-boss-independence-day-2019-shirt
https://www.moteefe.com/store/america-the-original-land-of-the-free-shirt
https://www.moteefe.com/store/auntie-shark-tattoos-t-shirts
https://www.moteefe.com/store/champion-arkansas-razorback-omahogs-shirt
https://www.moteefe.com/store/i-survived-the-cleveland-earthquake-june-10-2019-shirt
https://www.moteefe.com/store/tiger-we-are-their-voice-shirt
https://www.moteefe.com/store/twisted-bliss-coffee-no-coffee-no-bliss-shirts
https://www.moteefe.com/store/my-clothes-20-cotton-80-heller-hair-shirt
https://www.moteefe.com/store/some-bartenders-cuss-too-much-its-me-im-some-bartenders-shirt
https://www.moteefe.com/store/cone-and-into-the-forest-i-go-to-lose-my-mind-find-my-soul-shirt
https://www.moteefe.com/store/we-are-small-gang-independence-day-red-white-blue-flags-wine-shirt
https://www.moteefe.com/store/vintage-clint-eastwood-go-ahead-make-my-day-shirt
https://www.moteefe.com/store/some-camping-girls-cuss-too-much-its-me-im-some-camping-girls-shirt
https://www.moteefe.com/store/rafael-nadal-signature-12-rafa-garros-12-paris-shirt