Massimo that he is Ridge's father, conceived during a trip to Lake Geneva in their college days. The truth eventually comes out to both Eric and Ridge, and at first it puts an extra burden on the already strained relationship between them. Yet, despite the efforts of Eric's biological sons, Thorne and Rick—who exploit Ridge's lack of a biological tie to Eric—he continues to favor Ridge over the rest of his children. In 2005, Eric divorces Stephanie when he finds out that she supposedly faked a heart attack. He returns to Brooke and they remarry, becoming co-CEOs of Forrester Creations and firing Stephanie. Stephanie later discovers a trust which her father had set up for her 40 years before, and which Eric had kept hidden, making her sole owner of the company. She takes over, fires them as CEOs but rehires them as designers, consigned to a basement office. The pair divorce the following year, as Brooke ends up back with Ridge (after a short relationship with Massimo's other son, Nick Marone), and Eric returns to Stephanie. However, in 2007, Eric's marriage to Stephanie is strained again when he learns that her machinations to get rid of Brooke. This leads, by a circuitous route, to Eric and Donna Logan, Brooke's sister, becoming secret lovers. Eric's family are against this relationship, and scheme to keep them apart. Nick, who now owns Forrester, makes divorcing Stephanie a condition of selling the company back to Eric. During a Forrester fashion show, Stephanie convinces Thorne and Felicia to lock Donna in a steam room while she wears the showstopper gown, hoping to ruin the show and make Donna look responsible. Stephanie prepares a more devious plot after she is shot and discovers who shot her: Donna's brother, Storm Logan. She conceals her knowledge from the police on the condition that Donna leave Eric. Stephanie's schemes, and the schemes made on her behalf, ultimately fail. She and Eric sign divorce papers on in May 2008, and he and Donna marry later that month. In July 2008, Eric has a heart attack while having sex with Donna and falls into a coma. Donna has his power of attorney, thus making her acting CEO of Forrester Creations. As CEO, Donna gives promotions to Rick, Marcus Forrester (her newly rediscovered son, whom Eric adopts) and the mysterious Owen Knight; and she fires Ridge, Thorne and Felicia. Later, it