2 mo

How do I handle suddenly finding my friend’s younger sister attractive?

been friends with this girl through her work for a couple years now , her younger sister also worked there , thats where i meet them both.

its weird when i first meet her sister i was never that into her , she wasn't really my type , sort of tall thin but she looks a bit different now and matured a lot, now i'd describe her as a really attractive younger women , maybe she went to the gym a lot or dieted better but is much better looking now

she already has a boyfriend so wasn't interested in dating her just not sure how to manage things now that i find her attractive without annoying the older sister who i get along with well

Updates
1 mo
we seem to have managed things so far , we talk and seem to get along fine , was a couple times i was turned on like when i saw her in yoga pants or tight blue jeans but i got over it. her older sister hasn't been around since i posted this question but suppose to be back soon so will see if the 3 of us can get along this summer
How do I handle suddenly finding my friend’s younger sister attractive?
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