What to do after 5x5?

Getting tired and losing motivation. Also should I get a belt soon? Been doing 5x5 for years. Started again and I’m in the 12th week with good numbers. Any program recommendations to maintain strength or that transfer well to combat sports?

Getting tired and losing motivation. Also should I get a belt soon? Been doing 5x5 for years. Started again and I’m in the 12th week with good numbers. Any program recommendations to maintain strength or that transfer well to combat sports?