Here's my story.

I met this women and we hit it off great. She was always texting, calling, sending pictures all on her part. We made out on the 2nd and third date. However she got cold on the sixth date. It was like night and day. I started to have doubts and I showed it. Big Mistake! I told her that we should take it slow then it really started to fizzle and I went NC for a couple of months.
However we started to text again these past few weeks and she seems responsive. I called her and left a vm asking her if she wanted to meet up. No call back but a week later she texted me that she was going through some tough times and was sorry for not returning my call. I told her no need to apologize and that we can talk about it if she wants. She tells me I am good friend.
Fast foward to now, we text each other almost everyday. Is it too late to pursue this romantically? So ladies I could use some advice.