I am not the kind of person who shouts out.
Indeed, the best way to think of willpower is not as some shapeless behavioral trait but as a sort of psychic muscle, one that can atrophy or grow stronger depending on how it's used.
I'm not a gambler and I never have been.
I've been quite hyperactive since I was a child.
I'm very food-motivated.
If you consistently take an antagonistic approach, however, people are going to start thinking you're from New York.
Of course I'm naughty. I've always had to compete for attention, you see.
The question is not whether but how do the actions of a given gene influence some interesting aspect of behavior.