Lamar Odom says he's given up 3 vices after splitting with his fiancée ... insisting he's no longer doing drugs, watching porn, or dating women.
42-year-old Odom broke up with Sabrina Parr late last year ... just months after the couple was engaged to be married. In light of the split, Lamar says he's made some major changes in his life.
"A year ago yesterday I left my ex-fiancée at the W Hotel in Atlanta without notice. When she realized I was gone back to my home in San Diego she was livid.