Adele has found preparing for her Munich shows to be a “very, very” stressful experience. The 36-year-old singer is set to perform ten shows in the German city throughout August – but Adele has admitted that it’s been a stressful process. Adele – who is performing at a purpose-built stadium in Munich – told her fans: “I can’t wait to have a drink on Sunday. Oh my God. Putting the show together is crazy. “It’s so high pressure and I get very, very stressed.” During a show, Adele also shared some hangover tips with her fans. The London-born star told The Sun newspaper’s Bizarre column: “Hydrate …