i've been a 'dickhead' to my boss

for all my working days in my new company, i never ahd a word of praise for my boss, just a few millions of badmouthing/day since i started working here. but things are different from my boss. i often got praising from from him. maybe his knowledge in design is not very good, so when i did something he will say it is good, that i had done a good job bla bla...just now only he praised me on the cd designing job. i really feel that i'm a bad person. my boss is also not a bad person, just a stingy, and calculative person who thinks money are the most important thing in the world. everything is money, and cost.
btw, i don't give a fuck lah. every person in the world has it's own ways and attitude and personality. if everybody is the same, then we're robots not humans.