Welcome to the board, Desiree. I recommend checking out some of the "For Her Eyes Only" secret spice tips that Laura posted. They aren't all that out there, and because you're following Laura's instructions it can help you get past the shyness — it's like she's giving you permission to be a little bit naughty.
My wife was shy too. You try some sexy underwear. One last thing that will really spice up your sex life have your boy shave off all your pubic hair. I feels some much better going down on each other and it looks some much sexyer while having sex. Trust me you won't ever go back to having hair again.