Unfortunately he doesn't feel the same way.
"Sean's telling her that he has no interest in starting a new family, but she's determined to have a child with him," a pal tells In Touch magazine.
Scarlett's mum is dead against the idea too, and according to the mag she's urging her daughter to slow down the relationship - which has only been going on for a few months.
"Given Sean's bad-boy past, she's naturally worried that he's wrong for Scarlett," the insider says. "But so far her pleas have fallen on deaf ears."