Up to Season 4, Liam and Silver are only good friends, but when Silver finds out that she might have the cancer gene and that she might not be able to have babies in the future, their relationship grows. After she find out that she has the cancer gene. Vanessa stole all the money from the cash register in the episode Blue Ivy , Silver and Liam slept together. Throughout the next couple of episodes, Navid and Liam fight over Silver, and she feels she has to choose between them, when she decides she wants to have a baby before it's too late. In the end though, she chooses Teddy, as she wants the father to be someone who will always be in her life.