Sensitivity of the lips is 100 times higher than that of the fingers. May be this might be the reason behind it being so arousing and stimulating desire between the partners.

You are more likely to be easily attracted to someone you have no chance with.

Breakups are hard to deal with because the body and mind go through withdrawal, like drug addiction - we become addicted to love.

Romantic love and the love between a mother and child share a similar chemical connection.

The simple act of expressing gratitude towards people whom you love will generate an immediate spike in happiness