she just she had a brain on her. reporter: different than the women you had dated before? the majority of em, yeah. yeah, she well, for instance, what she did for a living programming. i considered myself a little bit of a computer nerd. but compared to her i didn t even know what a computer was. reporter: dave reconsidered ob his no commitment rule. a rule he d broken before with a woman named amy flora. they had two kids together. but it didn t last. after 12 years, you would think there would be some kind of a proposal or something. but like i said, he s kind of [ laughter ] emotionless. so reporter: he really didn t wanna get married? no. and i wanted to eventually be married, you know. i mean, every girl does. reporter: well, i mean everybody wants their fairytale wedding. reporter: amy and dave stayed friendly for the sake of their kids. and amy knew about dave s other women. heard about cari. reporter: you expected you would meet her at some po