"Sofia keeps pressuring Scott to pop the question and thinks that this is the perfect time to do so," a source close to the couple said.
Added the informant, "Although Scott is telling her to slow down, she is not going to. She really feels like they need to get married and have some babies!"
So what is stopping The Lord from marrying his girlfriend of two years?
"Scott is hesitant because he doesn't want things to change between them right now. She keeps him feeling young and they don't need rings to be in love," the insider told RadarOnline.com exclusively.
As fans know, the father of of Mason, 9, Penelope, 6, and Reign, 4 — whose new show, Flip It Like Disick, is premiering this summer — already has the approval to marry Richie from ex, Kourtney Kardashian!
"She just wants Scott to be happy and she is proud of him for turning his life around. Sofia is young but Kourtney knows that what they have is special," the insider added.