No i think? Lol
Taeseo's offer job to Yeomin to become some kind of Taeseo's houskeeper because Yeomin keeps rejecting when Taeseo give him money. That is why he cooks for breakfast and dinner.
And for the sex? He love him and doesn't mind it. Taeseo was the one who set that boundary not to be lover.
If he know he is sugar baby, shouldn't whenever the do the deed Taeseo will give him money or anything he wants?

Omg he found his backbone