Surely it must be the fragrance of sweet Vanilla goodness!
"I think you're really cool and pretty when you sweat, forget hating it, I love it"? This guy...This guy gets it!
And hey, I think they make a good couple, you know. He cheers her on and I think she appreciates that, not to mention that now that she knows he has a...fetish for sweat, they can get busy after practice from now on?
Taichi proved himself to be A Man Of Culture, who can "...Smell What The Senpai Is Cookin'!" And seemingly, once she goes over her concern about whether he found her body odor to be unpleasant, Tomita seemed to "Like It".