Once upon a time in High School I took a PE class. For the most part it wasn't too bad. We did fun things like badmitton, and volleyball, and swimming. Then we had to take these tests like how many sit-ups we could do and how long we could jump with a jump rope. Most of them weren't that bad but the worst one was the mile. To get a decent grade for the mile you had to run it in 8 minutes. Now I think the fastest I have ever run a mile was in maybe 9 minutes and that was when I was in really good shape. So here I am having to run the mile knowing that the best grade I could get on it was a D. Knowing this I could have just given up and walked the mile. I mean if I was going to get a bad grade I better not kill myself. But instead I decided that I would run the whole thing. It wasn't easy but I felt that I had tried my best and even though I didn't get a great grade I still knew that I had given it my all.
You know that really is all that Jesus expects us to do. He knows that life is hard and that there are certain things that we don't want to do. But if we really try and give our all then He will make up the rest. He will take our D and turn it into a A+. He wants us to succeed but we have to do our part as well. "For we know that it is by grace that we are saved, after all we can do." (2 Nephi 25:23) So go ahead and run that mile, go and keep the commandments, go and follow God. It won't be easy but it is possible and Jesus will help us.