Mmm, I think he meant if you should admit you played games with her, in the term of doing the kind of stuff that Cosmo recommends it's readers.
I guess there's a time for everything. Say, you've been dating for 6 months, or so, so you gained the confidence to say it, and you know she's into you, you could say "When we started dating I really wanted to see you, but refrained from calling to spark your interest".
I don't think it's negative, done in the right context.