He said: "If I was asked, then it is something I would definitely look at doing.
"If the chance was there then, like anyone else, I would certainly have to think about it.
"I am chuffed to bits to get 30 goals in a season. I didn't think it would be possible, but I've done it and now my target is to reach 35.
"Every time I hit the ball at the moment I feel as if it's going to go in. It doesn't bother me if I miss because I know the rest of the lads are going to create another chance for me pretty soon.
"I'm loving it at Sheffield United and I am enjoying my football so much because the manager lets us express ourselves. The whole place is buzzing."