Conversation with an HB9. Were these IOIs?

So an update on the girl in this thread. It's really long so you don't have to read it. I just want to know if a couple of things I saw tonight were IOIs.

I was at her work (Subway) tonight and she was on break so I sat down at the booth she was sitting and we talked for about 10-15 minutes. During the conversation, I think I got a couple of IOIs, but I'm not totally sure.

I did the "you've got something in your hair" line on her and I told her I would get it for her. I reached across and touched her hair and she turned really red. Her expression was positive and she didn't pull back or anything. Is blushing at something like this an ioi? Also, when I said "that'll be $10 dollars," she threw this napkin she was playing with at me.

Also, she mentioned she had been sick all week and was coughing a little bit. One time, I told her that if she got me sick, it would totally be her fault and she started laughing/coughing and blushing again. Again, can I take this as an IOI?

This might be obvious to some people, but I also ask because during the conversation, I asked her a number of questions trying to get to know her, but she didn't ask me a lot. I think she only asked me "why are you trying to lose body fat?" because I told her earlier in the conversation that I was working on that. She also asked me where I live, but it was just a really quick question. After 10-15 minutes, she said she was gonna go get her jacket and go out for a smoke. She went back to get her jacket, I got up and started texting my friend, and she comes out and brings me my stuff that I left on the table and says her boss won't let her go out to smoke since she had already used up her break time. So we said goodbye and I left.

Overall, I think it went well, but this girl is really friendly and really sweet so I don't know if she's attracted or not. Next time, I'm going to ask her to go out on a date with me since I feel that I've built enough Comfort. Any insight on this though? Things I should've/shouldn't have done? Things I should/should not do next time?

To answer your late-night text question in the previous thread. She was just being friendly. As for your more recent interaction, yes, those were IOIs, but you may not have gotten to the hook point. You would have had to continue dhv and teasing to get more of them. Curious where you stand now.

Dude she is totally attracted.