progression. we were up to maybe like 60, 70 bags each a day, that's $400 a day just on drugs. >> he was turned down for the drug rehab center because of past convictions involving violent crimes, but he has another addiction even greater than heroin. his girlfriend alyssa schlossberg. >> i'm addicted to her more than any drug i ever put in my body. i feel like i could do a lot less for her obviously because i'm in here. at least i'm in the same building as her. >> other than occasionally seeing each other in or on the way to court, the couple can only communicate through letters. schlossberg has just opened her latest from costa. >> you're the only one for me. i will never stop loving you and being there for you and you alone made me a better man. and you continue to make me better every day you're in my life. i love you. words are short, baby girl, but once again never the love. once again me and you. he's so incredible.