If you like my work you can buy me a coconut water (Donate via PayPal.).
Another way to make me happy would be if you donate to an organization who cares about (kids having) cancer. I had blood cancer in 2001 (when i was 12/13 years old) and i am happy being still alive.
A good choice of an organisation to donate to would be the DKMS (they also accept donations via paypal), but any other similar organisation will be good too.