Why people blush when they are in love?

It's due to increased blood flow, it's similar to when your exercising and your face gets a bit red.Why people blush when they are in love?
because....Why people blush when they are in love?
Probably because they are shy or embarassed
I dont
because love is cool like that
They are just so overwhelmed with happiness %26amp; it make them feel soo good inside.
To bring emphasis on the face, inducing a kiss.
its one of those fuzzy feelings that can be so overwhelming thats its hard to explain with words.
It's blood rushing to your face. ';Our blood boils';
because of good feelings rushing through their bodies
Just happens---
Just the thought of thier loved one, give u butterflies!
People blush as a reaction to what they are thinking of at the time so draw your own conclusions!