aww sweety, dont beat yourself up over it,,its a lesson well learned, we all go through that,,wanting to beleive..you actually picked up on his using again pretty fast, so be thankful you saw it when you did..you know the truth now, and you can move forward and relcaim your life again.,it will get better and the anger will subside,,he is doing what addicts do..nothing more , nothing less..but you have learned alot during this whole process, you should be proud of yourself,, do something special for yourself...