Jeremy Clarkson, 60, has revealed lockdown has left him drinking himself “silly”.The former Top Gear star has been spending a lot of time on his Oxfordshire farm, which will soon be the subject of a new Amazon Prime Video series.Jeremy has opened up about his health woes in a new interview ahead of his series.The Grand Tour presenter has admitted he is now “the unfittest” he’s ever been.He explained: "It’s not the Ploughman’s lunches, it's the phenomenal amount of drinking when you’re locked down."The former Top Gear star admitted he and his girlfriend, Lisa Hogan, drunk a lot during lockdown.This is especially the case as their fellow farm worker Kaleb Cooper doesn’t drink.Jeremy continued to The Sun: “[Kaleb] doesn’t drink really so I.