Poor Diesal - sounds horrible. I hope you feel alright today, do watch it though because that stuff is really toxic. Don't take any chances with your health.
Sorry you have had a bad week so far, can you reward yourself by doing something nice for yourself @ the weekend...little shopping spree perhaps and buy yourself something nice, or go for drinks and have a winge with friends, or have a nice long bath and a face pack?
All the best.