By Mia O’Hare Lucy Mecklenburgh has shared what she “hates” doing as a mum. The former The Only Way Is Essex star, 32, was left heartbroken as she said a sad goodbye to her four-year-old son Roman and fiancé Ryan Thomas. She was waved off by her boys as she boarded a train to Essex before flying off to Portugal. Lucy shared a snap of Ryan holding onto a crying Roman as he said goodbye. Mum-of-two Lucy said: “I going to Essex then Portugal I hate being away from the kids.” She also added the caption: “My heart” alongside a broken heart emoji. However, she later shared a snap from the airport as…