By David Craven Leeds star James Bentley says quitting the booze has helped him calm down and improve his game. He faces former club St Helens tonight as the Rhinos seek four wins in a row. Ironically, the fiery Ireland second-row is back from a one-game ban for striking Catalans’ Tariq Sims. But Bentley, who went public with his sobriety bid in January, reckons giving alcohol a miss has definitely had a positive impact. He said: “I’ve done a lot of work on how I can control myself. “And I do feel like from not drinking I am a lot calmer; the way I react to things is getting better. There’s st…