19:00Mark ForrestSim Courtie sits in: Tipping in restaurants and school stressBBC Local Radio Duration: 3 hours Mon 2nd May 2016, 19:00 on BBC Three Counties RadioSim Courtie's covering for Mark tonight. He's talking tips in restaurants, re-using waste food at a wedding, and whether schools are too stressful for our children.GenresEntertainmentBrandMark Forrest Source: BBC Online