No, it's not! There's no right 또는 wrong, when it comes to sex, with some rare exceptions, legally speaking. One thing doesn't rule out the other! Why should 당신 deny yourself the pleasures of self-indulgence, just because your partner does everything 당신 can possibly imagine only to satisfy you?! Besides, your partner won't always be around. Wait until you're alone. Then, 당신 can do whatever 당신 want.
