It's easier said than done, take it from me. For example, I have had the dream of publishing my fiction since I was in the sixth grade. Here I am 24 freaking years old and guess what? I haven't even finished any of the myriad of plots I've got upstairs in the old brainpan. I feel the same way you do. In fact, I was thinking just today that my life stagnates. That seems like the perfect word for it. You're not alone, good buddy. It's okay though, we'll find our way out. Hang in there.
I hear ya