Is selfishness good?

I'm going to make Brussels sprout soup soon and I won't even give a spoon to my roommate. I made a tray full of tiramisu the other day and put it at the front of the fridge for him to see. Hihihi, of course I don't think I need to mention that I didn't even offer him a fork. I get a special pleasure from it. I really like selfishness. For example, I have a lot of money, but I do not give even a penny to the beggars on the street (even if they are starving) and this gives me pleasure. Do such things happen to you too?

Is selfishness good?
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