The 32-year-old restaurateur is begging his longtime partner and mother to his three children for an open relationship, reported Radar Online.
"(Scott's) broken (Kourtney's) heart by requesting an open relationship, which he claims is increasingly common and will only strengthen them.
"Kourtney is disgusted, of course. She was hoping he would check into rehab, finally set a wedding date and was even hoping to have one more baby," a source said.