Aright, just need some clarification on this

Ive been texting a girl quite a bit. However, she has always sent the first text to start the conversation. They typically last a couple hours, and a couple nights ago, she couldn't go to sleep until I had said good night. In the hopes of not being friend zoned, I abstained from texting back for a week.

Is it a bad thing to text this often? We see each other about once weekly at a community event on Fridays, and she's generally not available other times due to her parents and being forced to babysit her siblings.

I've been texting her again recently, and she's been keeping it going when I stop, by sending another message. Do signs look good? Or should I break it off?