i am at week nine of a 12 week course of sust but i decided to have a couple of weeks off during xmas. after the end of the second week of i started to find it very hard to sleep and i am getting heart palpitations and heaps of acne. just wondering if this is normal and how long it will last for?? also do i need any anti -e's like clomid or hgc?? i was taking 1 amp per week ( 250mg) and have 3 weeks to go. need some advice