Jack was dating mark but they had broke up because Mark had said he just didn't feel the love anymore and he had fallen in love with Jack and he didn't want to cheat on him so they broke up but it still broke Jack and it broke his heart more when Mark had moved out to live with dark as Jack could keep the house but Jack didn't want to stay in a house that reminds him of Mark so he moved out to Anti's house and Anti was happy to take him in and he tried to cheer him up..start from there
