The Young and the Restless spoilers for Tuesday, January 12, tease that Billy and Summer clear the air, but Lily happens to overhear the stunning confession. Elsewhere, Amanda hopes to get some information from the woman who gave birth to her, but the history lesson is painful. Finally, a stomach bug causes Abby to think she's pregnant, but the results of her test leave her displeased.
Billy (Jason Thompson) has an apology to give to Summer (Hunter King), according to
SheKnows Soaps. However, Lily (Christel Khalil) happens to wake up and overhear him take responsibility for what happened between him and Summer while he was dating her mother, Phyllis (Michelle Stafford). Lily easily puts two and two together, and she asks Billy to clarify. Billy proves he's a changed man by owning up to the mistake to her. He reiterates that he's done many things in his life that he isn't proud of, and he's trying to be a better person now.