OK, there is this cute girl in my house. We really connected and had some great discussions about various topics and we actually had a date with dinner and cinema. However, I was always unsure about how she thinks about me and never had the guts to make a serious move. Also, I behaved like a total AFC, i.e. I was pretty much the nice guy (her words), and never mentioned other girls when talking to her. Actually, I had pretty bad oneitis about her, she was always in my thoughts. She started seeing another guy three months ago, but it seems like they broke up. She will leave my university in two months, so I definitely want to make a move right now, either it fails or I'll finally be successful with her.
The problem is that I was pretty cold towards her because I was pissed by this situation and by my failure to make a move. In return, she also started being cold to me, like not answering messages or not talking to me on parties we both went to. I need your advice on how to make a move. Is there a way to get back to the positive connection we built up ealier this year? How can I make her realize that I really like her? By now, I am sceptical if she would even go out with me alone for dinner or something. Your help is really appreciated!

Aha, oneitis for your housemate, just my cup of tea.

Sounds like it would've been a lot easier if you had made a move around the time that you dated. You cannot be sure what the motives of a female housemate are of course, but now that that opportunity doesn't arise anymore, I'd say go out with a couple of housemates including her (which is a good excuse for a couple of drinks and lots of kino), play solid game and just k-close at some point. Gamblers video on micro-escalation and stealth attraction might work well in this case, it's on youtube. Taking her home won't be too difficult (ha-ha). If you'd had more time the advice could've been more elaborate and this may seem like a long shot, but it's worth the try I guess. Best of luck!

Things seem to be really bad. Yesterday I went to a party and she was also there but we rarely talked. I could see that the connection is not as it was 4 months ago when we could talk about stuff for hours. Also, she talked to another guy most of the time.
Do you guys see a way for me to still get her or should I just forget her? I sometimes see at in our house, so there are enough opportunities to talk to her but I need some sort of a strategy to regain her interest in me.

No ideas?

Well, my guts tell me to tell you that it's over.

My brain says that you should go upto her and say, ''Hello.'' and in a calm, firm voice say sorry about everything and that you want to start afresh.

Keep your words to a minimum. Don't falter. And keep your tone strong.

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" You're born alone and you die alone and this world just drops a bunch of rules on top of you to make you forget those facts. But I never forget. I'm living like there's no tomorrow, because there isn't one. "