What do you mean by "choose happiness"?
When your in traffic you have a choice to either be annoyed or angry your stuck in traffic or choose to put on some music happily enjoying a few extra songs on your way home.
I prefer meditating during such times. It's less dangerous.
Meditation is great! It trains your mind from running on autopilot all day to you having control over what you give your focus to. I have been meditating for almost 1 year daily now.
