I rejected my crush, TWICE! Oh my...What's next?

Anonymous
He joined our company sept2014 as parttime employee. November2014 he asked for my fb acct cos he'd be sending a document w/c I found weird, I said he could send it to my email instead. Then just 2 wks ago, there was an event and an opportunity for him to talk to me. Our convo is getting personal, and he asked for my number. But I didn't give instead I told him, he can just contact me through email, office phone or company cellphone. He's persistent in aksing for my number, then he said "let's hang out sometime". I said, ok since I have your number in our file, ill text u using my number. A week after, I rather called him using my number, asking him y would he want to get my number? He said he wants to go out with me, chill and hang out. I said, in a cute way, I do not go out with my co-worker.. so there.. But u can text me in this number"
A week and a half have passed and he didn't even call nor text me. What does this mean? He didn't make any effort. Was I a little hard to get? I was planning or calling him, to say "I didn't mean I don't want to go out with u, I just felt pressured when u asked me, so I regretted saying no to your invitation" is that right to say?
To make it complicated, I have a Fbuddy (yes u know what I mean) for 4 arse years now... like no commitment but we're kind of exclusive. I mean, I want to be inlove already. Our relationship is not going anywhere like what we've agreed before. Am I being b*tch now?
What do I do with my crushie.. I'm 28yo now, my crush is 29. My fbuddy is 39.
I'm torn..:-( help.
Updates
+1 y
Hey, I called him telling I'm bothered by the situation.. that he's not even talking to me wc doesn't look good to people surrounding us. Also told him, I'd really want to go out w him only if one of us is no longer connected w the company. He said he'd still want to take me out. And our conversation went through.. I'm gonna see what could happenby the end of this month. Thanks guys for the helpful inputs!!!
I rejected my crush, TWICE! Oh my...What's next?
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