I don't feel like working out.

When I really think about it, I never feel like working out. Or running. There are a lot of other things I'd rather do.

Today, I felt like I was coming down with a cold, and I didn't really have the time, and the weather is yucky, so maybe I'd put it off til tomorrow.

When I feel like this, I put my running clothes on.

99% of the time, this works, and I get my workout in. It's my best trick.

And I no longer feel like I'm coming down with a cold, and I'm glad I worked out.