"I was sober for 18 years - the first 18 years of my life. And I have been drunk every day since. There has not been a day when I haven't had a drink," the 56-year-old actor told DailyStar newspaper.
Gervais said his love for drinking has often landed him in trouble and he had had a number of embarrassing moments. But nothing could deter him from some indulgence.
He added, "I got fat for 15 years from 30 to 45, then I started to get fit. I didn't want to give up any food or drink so I worked out.