Yea, 3 years is a long period. I think by default you should compare only past 30-60 comments and have options for comparing past year and past 3 year. If that

Yea, 3 years is a long period. I think by default you should compare only past 30-60 comments and have options for comparing past year and past 3 year. If that works well, you could actually build a "dating app for intellectually curious" ones. Might be easier to do using Reddit data too.