kim dorsey. >> are you filming me? >> yes, i am. >> reporter: no wonder derrick dorsey fell for her. and, boy, did he fall. >> well, the first time i laid eyes on kim, just thought she was beautiful. >> reporter: did you express how you felt even in that first moment? did it get there that night? >> no. i waited till the second date before i told her i loved her. >> reporter: second date? that's quick. >> well, when i told her i loved her, her response was, "i like you a lot too." >> reporter: kim wanted to take things slow, he said, for good reason. she was putting herself through school to become a civil engineer. >> reporter: 7 years of dating passed before he ever popped the question. >> well, that's the kicker. she got angry. she got up and walked away. >> reporter: why? >> without even saying yes. and i'm just like, "oh, dear god, i've made a gigantic mistake." >> reporter: oh, no. >> i've moved too fast. and she gets over there and she goes to her purse, and she brings out this box and it's you know a long box./