I thought I clipped this a while ago...Cool!

Great minds think about love alike.

Serotonin - One of love's most important chemicals and one that may actually send us temporarily insane

This explains it. Love itself is a "temporary lapse of reason" and drives human beings insane. So, this shameless serotonin thingie is to blame.

"The theory goes that the more sex a couple has, the deeper their bond becomes" — whoa, that's really profound. And open for humor.

At first, I thought this clip was gonna be a parody, like something about beer goggles. Hee.