If a girl replies 'awww you're too nice! hehe xxxxxx'. What does it mean?

We both think each other is good looking and we've been planning to meet up for a bit but she's had problems to deal with and that and she wants to arrange something next week.

I sent her a message saying that I like her profile picture, saying her hair looks great and she's really beautiful. She replied with some things we were talking about and then 'awww thanks hehee :') xxxx'

Then I said that she is and hopes she gets over these problems she's had lately, and I said that I want her to make sure she's happy or I'll do my best to make sure of it.

She replied 'Haha aww you're too nice! Hehe xxxxxx'

Not sure how to take that as seeing just that message would assume she might think I'm 'too nice to date' etc, yet she thinks I am good looking, enjoys talking to me and wants to meet up. How would you take it based on what I've said? My mind is all over the place on other things at the moment.
If a girl replies 'awww you're too nice! hehe xxxxxx'. What does it mean?
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