Dennis Rodman says he's 38 days booze-free -- but admits he still thinks about alcohol all the time and now realizes staying sober is a serious "struggle."
The good news ... Rodman seemed very serious about continuing down the sober path when we spotted him out in L.A. over the weekend -- telling TMZ Sports he just wrapped up his 2nd Alcoholics Anonymous meeting.
"I feel great man," Rodman said ... "It's kinda weird not to have a cocktail on a beautiful day in California but like I said, it's just one day at a time.