Your not going crazy,i had the Mirena in for 6 months and had to get it out because of the same problems.You will start to feel better when you get it out but you wil problet still get some symtoms but they to go way.I have had my Mirena outnow for 9 weeks and im not feeling to bad ussaly when your periods due you will feel a bit worse i think it takes 6 months to a year to get it all out of your sistem but ive beentold it does go way.Good Luck.