Is this guy using me to make another girl jealous? Is he trying to drag me into a "love square"?

pinkmoscato
So, he's shown some signs that he's attracted to me and then, one day, he hugged me for a long time and asked for my number in front of a bunch of other people from our support group. But, he never texted or called. I've only talked to him since then because I was the one to reach out and ask him about specific things.

A while ago, someone mentioned his name to another girl in our group and said "It seems like you two are getting close" and she blushed and said "No, I'm not that open." But then later he helped her with a video and when he posted it to the group page on Facebook, he emphasized what an amazing woman she is in the caption.

Nothing seemed to actually happen between them and I figured she wasn't interested in him since he's like 10 years younger and I thought even if he liked her, she saw him only as a younger brother.

He likes almost everything she posts on Instagram -and she posts A LOT of pictures.
And now I noticed she likes almost all of his stuff and even comments sometimes.
But, there's another guy we all know whose posts she also likes and comments on a lot. The other day she posted "One man's 'I'm not ready is another man's 'I knew the moment I saw her'" and both of the guys liked it. But, the other guy commented "Amen momma."

So, I'm wondering if that's why he never actually followed through. Maybe she was looking when he hugged me and he only did that to see if she felt anything about it?
Is this guy using me to make another girl jealous? Is he trying to drag me into a "love square"?
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