There's not much information to go with tbh, I mean, it's a single screen shot so we'd be speculating at most.
But going off this, she is probably just busy and/or you are not engaging enough. Then again, I never tried to pursue romantic relationships with any female friends I had so I wouldn't know B)
It's either that OR it's short for "XD". I've seen people (mainly from Russia) type ")" and "(" instead of ":)" and ":(" so maybe "X" is short for "XD"
It's either that OR it's short for "XD". I've seen people (mainly from Russia) type ")" and "(" instead of ":)" and ":(" so maybe "X" is short for "XD"