1. While in love, people typically become jealous, anger easily over small things, curious & often worry about losing that individual.
2. Giraffes can go longer without drinking water than camels can.
3. When a dog sees its owner, its brain secretes the same substances as ours when we are in love!
4. Ancient myths: If your right ear itches, someone is speaking well of you. If your left ear itches, someone is speaking ill of you.
5. Lack of sleep makes it difficult to control emotions which is why people are more likely to cry or laugh uncontrollably at night.