While gifts are neither expected nor required, should you care to spoil me, please consider something from off the following list (there are a variety of price points). 

Veda's Wishlist

Or you might consider: 

Weed/Edibles (in sealed package, no homemade edibles please)
Chocolate (milk, no nuts)
A copy of your favourite book (fiction only please) 

Blessed are the hearts that can bend; they shall never be broken. -Albert Camus