As you yourself haven't done anything wrong, however, 'doing/fixing' is not your remit. It's his rightful (if OTT) decision.
If I were you, I'd just leave him be and move on with my life whilst waiting (without waiting) to see if he at any point comes round again.
Saying that, I suppose there is ONE thing you can do, which is to ensure he knows where he stands - in the form of sending him a text/IM/email to say you're sad to think you might have lost such a good friend and you hope it's nothing you've done or not done? But that's the MOST I'd recommend you do.
Soulmate gave you a good idea about what to do. If you can't muster up the courage to find out how he is, then drop all this drama and move on to the next guy, hopefully a little more wiser.
SIX WHOLE MONTHS? Forget it, LILLY11!
You don't have to be 'official' for your attachment 'strings' to take root in one another. It happens involuntarily increasingly as you spend time together. And breaking those strings (with total cessation of contact) HURTS. So does breaking them by first over-stretching them (via emotional over-distancing). In fact, the latter is worse because it's CHRONIC pain.
If he can live with that (supposed) kind of pain for ONE month or TWO months, let alone six, then there was either woefully little strings rooted in you to begin with or - worse - none, and he simply led you to believe there was in order to get you into bed (whether he managed to finally get you there or not). Or if there IS/WAS pain but he could tolerate it, then there had to have been some pretty big motivator/disincentive in the mix that you weren't aware of (like another love interest outside of that social group).
Put more simply: if a man can live completely and utterly without you ('you' the lover) for 6 weeks to 2 months - and in that time act like all his dialling/typing fingers have fallen off - he can damn well manage it for another 2 months...and another....ad infinitum!
So I think what happened was that the action of pushing and pressuring by your friends, rather than or more than embarrassed him, just clarified for him in his head that he WASN'T particularly attracted to you, and that he worked out that if he used you he'd have an angry posse surrounding him, pitchforks held aloft, meaning he's backed completely off in that way and is trying to AVOID any such confrontation on your part by keeping all verbal interaction (and physical proximity in terms of standing near you, I'm betting) to an absolute minimum. Either that or it's you who keeps trying to stand near/next to him and exchange conversation with him, with him doing as little as he can get away with so as to again avoid painting himself as a complete a-hole.
Were it just plain embarrassment, he could have sent you a private text (because even the shyest among us can manage that).
That's his ultimate action which overlays any preceding action. And it says ATTEMPTED-USER-COWARD. So, as for his effort not to appear like a giant a-hole? *Fail*
From now on, try not to even LOOK at him, or look through him like he's no-one and nothing to you. After all, he set that new relationship tone. If he doesn't like it, he knows what he can damn well do about it, doesn't he :-p.
("So many d*ckheads, so little time")
If you can take on that objectivity of attitude, you'll put paid to having to 'wait and see' ever again. (Well, moreover - even Simon isn't infallible in that respect; even your psychiatrists find themselves duped from time to time, believe it or not.)
But as far as I'm concerned, your friends threw you a bone. They obviously felt the need to communicate to this guy that it wasn't going to be a case of one against one but one against you AND YOUR POSSE. They thereby showed they look out for you, and helped you to dodge another bullet. GOOD, CLEVERLY-INSTINCTUAL FRIENDS!
As for his mixed messages: he's obviously just customising whatever return approach he can gauge whichever one individual friend will likely be satisfied with, based on whatever starting attitude they conveyed in how they phrased their initial questioning. Chameleon-style player, no doubt about it.
But it's good to practise growing wisdom on d*ckheads. Saves you from making mistakes with someone worthwhile whom you'd be REALLY loath to lose. So even d*ckheads have their uses, eh.
I think this is the bit where we're supposed to have a girlie hug. SO I'M OUTTA HERE!!! LOL
Discussion closed - why not create your own thread?