'Bold And The Beautiful' Spoilers: Bill Confides In Justin About Steffy

He has been keeping the truth about his passionate night with his daughter-in-law to himself, but his change in behavior hasn't gone unnoticed. Now, Bill will find himself confiding the truth in Justin, following the latest news that has broken his heart on the Thursday, Dec. 28 episode of "The Bold and the Beautiful."

After sleeping with Steffy (Jacqueline MacInnes Wood), Bill (Don Diamont) realized he was in love with her, but she insisted that she wanted to stay committed to her marriage to Liam (Scott Clifton). Since her rejection on the CBS soap, he has seemed distracted and withdrawn, and the behavior has only gotten worse following Steffy's bombshell that she was pregnant.

Since then, she did a paternity test and was relieved to learn the baby did in fact belong to Liam, and after running in to Bill as she left the hospital, she conveyed to him that he wasn't the father, even though he hoped to be, and confirmed that the truth about what happened between them that night would officially stay only between them going forward.

Now though, Bill will become even more distraught, and finally, after noticing his odd behavior for a while, Justin (Aaron Spears) will demand his boss fill him in on what's going on. However, the conversation may not go so well when even Justin seems appalled that he not only slept with Steffy, but has fallen in love with her as well.

"What is it? Why would you get caught up with Steffy?" Justin yells in a preview clip.

However, Bill will get admittedly emotional about the whole situation, and will reveal that it wasn't something he had intended in seeing happen, but he doesn't regret it did. What he does regret however, is that the baby seemingly isn't his.

Of course, there could still be a glimmer of hope on the horizon for Bill, as the secret won't stay one for long, and there's always a chance something else could happen which will rip Steffy and Liam's marriage apart completely. Whether it's the truth getting out about them, or something else, Bill may still have a chance at the future he has begun to envision for himself.

"The Bold and the Beautiful" airs weekdays at 1:30 p.m. EST on CBS.