Bittersweet.

Noun │ bit•ter•sweet │ \ˈbi-tər-ˌswēt\

Mixture of two opposing feelings. One which is good and the other which is bad, such as pleasure and pain. It may be pleasureable but yet cause pain or discomfort.

Janitra
"So his name still has a big effect on you, Tit."

Tita
"There's nowhere else I'd rather be than with you, Jan."