Girlfriend worried about former addict boyfriend

DEAR HARRIETTE: My boyfriend is a recovering drug addict. About a year ago, he was in a bad place in his life and was in a downward spiral. He got his act together and has now been sober for a year. I am proud of how far he has come and all the changes he has made, but I fear that one day he won’t be able maintain his sobriety. I have always heard the saying “Once an addict, always an addict,” me…