United Kingdom, March 3 -- Marcus Mumford relies on coffee and nicotine since giving up alcohol almost seven years ago.

The Mumford and Sons star, 38, gave up booze when he was in his early 30s but he's confessed he's still dependent on nicotine chewing gum and he takes coffee "way more seriously" now he's sober.

During an appearance on the Armchair Expert with Dax Shepard podcast, the musician was asked if he's a "nicotine head" and he replied: "Yeah, it's my last remaining vice other than pride and general c***yness. Nicorette [gum] is my last one ... There's nothing wrong with it. My doctor was like: 'Have at it, bud' ... "

He added: "I get a buzz from my first coffee and I've taken coffee much more seriously since I stopped drinkin...