You will have so much fun volunteering at the shelter.
My daughter and I have been volunteering at our local no-kill shelter for two years now and we have had so much fun socializing the cats and walking a few dogs too.
We go in about once a week and have fun mostly playing with the kitties that love to get attention.
It is kitten season now, so many little kittens come in and go out quickly in our shelter.
I hope you take pictures when you volunteer, I always bring my camera to get some pictures of my favorites before they get adopted out.