Some psychology facts about love

1. If you hold hands with someone you love, it can help alleviate physical pain as well as stress and fear.
2. Five minutes without oxygen can cause brain damage.
3. Listening to high-frequency music makes you feel calm, relaxed, and happy.
4. When you talk, you are repeating what you already know. But if you listen you may learn something new.
5.  Writing down negative things and tossing them in a trash can, is a psychological trick that can improve your mood.