I hate the company I work for and am only on 20p more per hour then my colleagues who are lower positions and yet I'm a deputy manager. I do not have contracted hours or sick pay. And my current position is really stressful. I've found a job which is working less days (which I prefer) slightly less money (20p) but is also a lower position and less stress. I've been at my current place for 10 years training as a student and working my way up so slightly nervous about the change but I'm starting to hate my job and resent my work load for such little pay. I need to write a cover letter so what would I put in it and how would I explain wanting to drop positions?