Here's why you get butterflies in your stomach when your crush walks by you

Physician Dr. Roshini Raj explains what causes those butterflies in your stomach.

Love 101 is a new mini-series from Mashable and Bravo. Dr. Raj guides you through the effects of falling in and out of love.

For more videos, subscribe to Mashable: http://on.mash.to/subscribe Read more...

More about Sex, Bravo, Butterflies, Love 101, and Science


via Tech Republiq