Bottomless Pit Of Sin

thanks to sam winchester for reminding me why I hate drawing faces (closeups below)

What if, while Sirius stays alive, he's the first one to confess? And not in a "he's fifteen and he's my godson and I can't stop thinking about it and how it reminds me of my youth and James" way (which is still valid if you're into that, just not the vibe I'm going for here). Harry is a grown adult, fully mentally developed, 20+, and Sirius decides to try his chances because he is getting way too old for this foolishness—being in love and not knowing whether he's wasting his time and it's not reciprocated or if there's an actual chance to start something real there.

What if it goes something like, "Forgive me, but I just have to know. Just say one word and I will never speak about that again and you can pretend like this never happened, but I've seen how you look at me and..."