Never set limits, go after your dreams, don't be afraid to push the boundaries. And laugh a lot - it's good for you!
I took a lot of bad things after Athens. I just learnt to deal with it. The problem was beforehand I had this feeling where I was trying to please everybody - I wanted everybody to like me.
When you get close to race day, there's that anticipation and excitement - it's the same whatever level you're running at because the marathon is like a festival.
It's important that athletes can compete on a level playing field. And youngsters coming into the sport can know that if they are working hard and training hard, they'll see a true reflection of where they stand and what they can achieve worldwide and not be swayed by people who are cheating.
A half marathon is a good way to have a bit of fun and race against those girls and learn a bit more about them. The world half marathon is a world championship at the end of the day and it's important. I've win it twice and it's a quality event.
I just want to be in the best shape I can be. Not to stand on that start line and say: 'Oh my God, I have this injury and that injury.' I just want to be able to go out and race.