need some advice

just got married in Nov. then in jan09 my husband got laid of from ford of 15 yrs. I got him in to the doctors and he gave him zoloft and clonazepam and this seems to be helping a little.i have been helping gat his resume out and looking for jobs, but I can bearly get him motivated to do anything else then last night a friend called had car problems , he went to help and he was towing the car back to his friend house and pulled out infront of some one, nobody was seriously injured, but my husband was devistated, He has stated to me to keep a close eye on him, he does not trust himself.that he is worthless and he is losing everything, I am telling him how much i love him and that I am not going anywhere , but i dont no what else I can say or do i would appreciate gor any guidence advice