let's take my current relationship:
after about 6 months of monogamous dating, with lots of flirting with just eachother, lots of time spent with one another and eachothers' families, a new years holiday away, etc etc, he kept teasing me about how i hadn't called him my boyfriend yet, and by the way had i noticed he's been calling me his girlfriend for 4 months? basically i just didn't feel the need to go girly-gay on him and get ultra-, unneccessarily cheesy about the whole thing. i knew i was crazy about him, and i felt the same thing from him. we just get eachother. but after that, i started calling him my boyfriend despite the fact that he had been just that all along. i get pretty coy and shy about that stuff, which guys seem to find cute. actually, then, to further embarrass me, knowing i hate when couples get all cutesy and crap on facebook, and announce their relationship status, he requested my facebook hand in relationship-status-land. so now it lists me as "in a relationship with ____" which i guess is honest and all, but i think it's incredibly gay. he loves that i hate shit like that, but still wanted to one up me and tease me more by forcing my hand to accept the request. it would've been inappropriate to decline it.