I just think it'd be cool to have one, but don't really think they help with all these things, but here's their meanings anyway.

1. Fertility, emotional stability, wisdom, live out dreams, love, ward of negativity, power, healing, protection, helps immune system,

2. Fertility, emotional stability, circulation, self esteem, love, fights negative effects, power, healing, protection, helps immune system

3. Emotional calmness, relieves stress anxiety and fear, fertility, sexual energy, boost energy, balance emotions, headaches, good luck, friendship, helps immune system