5. Kissing helps you decrease stress in your body by decreasing the stress hormone cortisol and increasing serotonin levels in the brain.
6. Kissing helps lower anxiety.
7. Kissing strengthens relationships by promoting togetherness. It helps bond two lovers.
8. Kissing protects your teeth by fighting against cavities. When you kiss, more saliva is produced which helps to wash plaque on your teeth that may lead to cavities.