Lucker) leave Walford when the truth comes out about the affair. Abi, Ben and Lola cause trouble and Abi is arrested for stealing trainers. When Abi is mugged, Lola teaches her how to self defend. Tanya finds a pregnancy test in the bin and believes it is Abi's, before finding out about her trouble causing and calls Abi a slapper, before Lauren (now played by Jacqueline Jossa) reveals to the family that Tanya has cancer. Abi is hurt by this, but is pleased when Max and Tanya reconcile. Jay proposes to Abi and she accepts, but she is faced with a dilemma when she is offered the chance to go to Costa Rica to help with sea turtle conservation. Jay gives Abi an ultimatum, threatening to break up with her if she goes to Costa Rica but she goes regardless. When she returns several weeks later, she finds out that Jay has been involved in the murder of Heather Trott (Cheryl Fergison). Abi is upset and slams the door in his face when he tries to see her. Abi goes to visit him but when Tanya discovers they have been seeing each other, she bans Abi from speaking to him. However, they eventually reunite. Abi, along with the rest of her family, are devastated to discover that when Max was away in Manchester, he married Kirsty Branning (Kierston Wareing). Abi meets her cousin Dexter Hartman (Khali Best), not knowing they are related, and this causes Jay to be jealous until the truth of their relationship is revealed. Tanya ejects Max from the family home after discovering he loves Kirsty. Abi loses her virginity to Jay much to her parents' disappointment. Abi tries to support Lauren with her drinking problem, however, this ends badly when Lauren destroys Abi's revision notes. Abi is distraught when Tanya leaves Walford with Lauren and Oscar as Lauren goes into a rehabilitation clinic in Exeter, so Max decides to move back in with her after Kirsty confesses that she has lied about being pregnant. Abi is defensive of her father and she argues with Kirsty about it, blaming her for her family's breakdown. While on holiday with Jay and their friends, Abi thinks she could be pregnant. Jay hopes to be a father, while Abi would prefer to have an abortion. She is not pregnant, but ends their relationship, believing that they want different things. However,