All you do is complain!

So today i just feel totally exhausted. i need to do marathon service this weekend and i don't even feel like it, all i want to do is sleep and take it easy. I just can't face it! Today i am dissapointed with myself because i didn't finish my run. I ran the first eight minutes without any problem and then 4 minutes into the next set i just stopped. i just couldn't keep going. So i have to finish it tomorrow. No excuses! Life stinks!