Junwon is not Taegang's "ex-lover", they never dated, they were just sex partners. Junwon ...

Junwon is not Taegang's "ex-lover", they never dated, they were just sex partners. Junwon uses Taegang for his own satisfaction while Taegang falls in love with Junwon.. I don't understand what Taegang likes about Junwon after being dumped by Junwon many times who went after other men