Britney Spears' BF Has Never Proposed, Despite Her Desire to Marry

She says she wants to get married, but...Britney Spears says she wants to marry and is being held back by her conservatorship. But, it seems that her boyfriend is the stumbling block. We're told that he has never proposed.Sources close to the situation tell TMZ that Britney's boyfriend Sam Asghari (for over four years) has not made a move on her or tried to get married. We're told they have talked about it but never made a formal proposal.We told you that Britney and Sam flew on a private plane from Britney to Maui after she lashed out at Jamie Spears and her management team in a heated court hearing. This was a romantic getaway many thought might lead to an engagement.Our sources tell us that Sam did not propose in Maui, and that Britney and he are back in Los Angeles.TMZ reported that Britney's father and personal conservator said there were no restrictions on Britney marrying or having children, despite Britney's claims to the contrary. Conservatorships do not have the legal power to stop conservatees marrying or having children.Although it's becoming a he/she-said, she/said situation, there's one thing Sam has never said: "Will you mar me?"