Is Amy Winehouse's ex Blake Fielder Next?

Amy Winehouse and ex husband Blake Fielder have had a tumultuous relationship to say the last. Now Blake's family members are afraid he will try to kill himself or overdose on drugs because of the overwhelming devastation of Amy's death. Fielder feels so guilty because he admits he introduced Amy to heroin, cocaine and hurting oneself.  Amy's net worth is estimated at 10 million dollars but Fielder is not listed on her will.