My Gosh, the crisis?

Have you ever felt OLD? Because I feel it today...
I have the feeling my body is old today... At least 300...
I was working the whole week, this weekend I have school as well (Sat - Su, from 9 a.m. till 8 p.m.) and next week horrible amount of work, then the feeling of time passing by while I should give to my professor the part of thesis, and study to the biggest and most scary exam during my studies, and the result - I am exhausted... my heart says YES to the party, my mind and body - NO... MIDLIFE CRISIS :P
So I am staying home... sometimes you have to... will write few more pages, read a bit and go to bed... Hope you have much more funny weekend, relaxed or marked by great party :) or both :)