Squirrel - Symbol of Trust, Preparedness
The Squirrel is the sentinel of the home. He will watch each member of the family and warn them if there is a problem within the family.
The squirrel is energetic in its work and play, and always ensures the future is well prepared for. The squirrel is a symbol of trust and is one of the few animals that will eat out of a person's hand. Learn from the squirrel to establish trust where you find it lacking.
Totem Lesson: energy in work and play!
That was taken directly from the website in the link. I think trusting in yourself has a lot to do with being happy. We seem to ignore our intuitions, as well as talk ourselves out of our own fablulous ideas.
I am really going to work on that with myself, and trust what my gut is telling me, because I belive that little voice in our heads is certainly there for a reason.