The veteran was a second-half substitute for victory at Chelsea on Sunday.
"I am sure that when players finish, it's the games like this that they miss most of all, so I want to make the most of these occasions.
"But I know it's hard for the manager, there's a lot of players in good form. It's not a new thing for me, not getting in the team every week. I have got used to it. I don't worry too much because I know that come the business end of the season I'll be ready, I'll be fit and the manager will use me.
"I'll bide my time. I know I'll play enough games come the end of the season. I think I provide a bit of experience, but I still do what I've always done - providing goals and trying to score a few."