...Facebook Game...with a catch.

So, last week I went to a 21st do where I saw a few people who I went to school with and haven't talked to in circa 5 years... and it's true what they say, ugly ducklings can and do turn in swans!

Anyway, got talking to a pretty young HB7 who I'm already friends on Facebook with but never really spoken to since school (you know the type) but didn't actually 'game her' - I was merely being sociable. To cut a long story short she now keeps 'liking' and commenting on pretty much all of my statuses...so I'm in a bit of a dilemma - do I take these as IOI's (she is single)...or is she just being friendly seeing as we had some banter the other night...?

Any tips on the what I should do next please gentlemen? Bearing in mind that the comfort stage is already there?

Or am I just being a wuss and should I just message her saying how I enjoyed our chat and that we should do it again etc.?

Cheers