Conversation so far:
What happened to Chuck Bass at the beginning of Season 3 of the show Gossip Girl?
When Season 3 returns, Chuck Bass and Blair Waldorf are very happy and very much in love.
Does Chuck Bass cheat on Blair Waldorf during season 3 of the show Gossip Girl?
Chuck Bass and Jenny Humphrey drunkenly sleep together, heartbroken that their true loves don't return their feelings.
What is the highlight of season 3 of the show Gossip Girl for Chuck Bass?
Chuck Bass gets robbed by two muggers who insist on taking the ring that Chuck intended on proposing to Blair with and he gets shot.
What else does Chuck Bass do in season 3 of the show Gossip Girl besides get shot?
Halfway through the season, Chuck Bass meets a woman claiming to be his mother called Elizabeth Fisher.
What is Elizabeth Fisher like in season 3 of the show Gossip Girl?
Elizabeth Fisher betrays Chuck Bass and signs the hotel over to Jack Bass, whom she loves.
What happens to Elizabeth Fisher in season 3 of the show Gossip Girl?
After initially rejecting her, Chuck Bass finally accepts Elizabeth Fisher and is then met with a sexual harassment claim from his former employees.
What happens about the sexual harassment claim against Chuck Bass in season 3 of the show Gossip Girl?
Despite his innocence, Chuck Bass settles to keep the scandal out of the media. Jack Bass, Chuck's sinister uncle, informs the media anyway.
Does Chuck Bass continue to chase women in season 3 of the show Gossip Girl?
Blair Waldorf appears later in Chuck Bass's suite, apologizing for being late, and the two reunite (sleep together). Chuck is about to propose to Blair at the hospital.

Question: What happens when he is about to propose?
Self-contained rewrite: What happens when Chuck Bass is about to propose to Blair Waldorf a the hospital in season 3 of the show Gossip Girl?