I don’t remember asking my husband to lift up his shirt when I met him, but apparently some of us choose our mates based on whether they have  an “innie” or an “outie”?  According to the article Belly Button Cues Potential Mates, most prefer “innies” and if you don’t like what you’ve got, you can opt for belly button plastic surgery?!?  Just remember, when you get pregnant your belly button may pop in or out– consider it a less invasive way of experimenting with different belly button styles…