One item you can pick up after being able to unlock your bedroom door is Lucy's 
password. You can then investigate her e-mails, which entail a short secondary 
story line. After you complete the last Memory Block, go back outside your room. 
Go to Lucy's computer. In "Deleted Items" is an e-mail which entails her talking 
to someone about a rescue, then the last reply comes back as: 

 WondEr Why It is everyone Laughs at you?
 i'll Let you guess.
 let's just say she's proBably gEtTing it bigger and better from someone else tHat 
 isn't you.
 how can you hope to compEte?
 REst asSured there are sOme gOod ways.
 click the liNk to see!

Removing the capital letters out of the message decodes the message as:

 WE WILL BE THERE SOON