<P> She asks him to take her there and Dan tells her he will be there for her for whatever she needs . He decides to conceal the real reason why Louis couldn't make it, and just as they were about to make a move, Louis comes enters the loft . Blair assumes that he was following her and starts reprimanding him, until Dan's conscience gets the better of him and reveals that Louis was only helping him with his book issue . Blair soon becomes furious with Dan as he did not tell her the real reason why Louis could not make it and departs with Louis, arm - in - arm, leaving Dan alone and heartbroken . And at the end of the episode it's been revealed that Blair is the one pregnant . </P> <P> Over the next few episodes, Blair is found having trouble keeping the pregnancy a secret and begins having morning sickness . Things get more difficult when Louis's sister, Princess Beatrice, comes to town . When she hears Blair's morning sickness in the bathroom, she begins to assume that Blair has gone back to being bulimic . She decides to invite Blair to a feast to be sure . </P> <P> Meanwhile, in Brooklyn, Dan is still trying to stop the publishing of his book, in order to save the relationship he has built with his closest friends and family . He calls Serena on the phone and asks her how she went through Lily's bank account so that he can go to Vanessa's bank and look for the publisher, but she tells him that it was all Chuck's doing, driving him to go searching for Chuck . To his horror, he finds Chuck getting beat up by men . He attempts to save Chuck, when he reveals that the men were not real criminals and he paid them to hurt him, much to Dan's astonishment . This leads Dan to search for Blair and inform her about Chuck's recent dilemma . </P> <P> Meanwhile, at the feast, Blair begins to feel sick and searches for an excuse to run to the bathroom without arising suspicion . She begins to silently pray to God for a way out, and once she finishes, she sees Dan at the front of the door . Blair rushes to his side and drags him to the toilet and orders him to guard the door . Dan announces that Chuck is getting himself into trouble again, but Blair brushes it off, stating that he's merely doing it to get her attention . </P>

Where do serena and dan go to college