3)For you mates- understand that at our core we are one with those around us. Mantra repetition, meditation and yoga are all practices that help us to find that union, those similarities
A meditation I find very helpful and easy to access during my day is Lovingkindness meditation, or Metta. Take a moment to listen to this very quick video and check out her book :)
Sharon Salzberg "Real Happiness"
Some insight on the main elements of the practice: