This girl I used to date became cool again (we talk frequently otp) and she invited me to an event and introduced me to her parents?

Me and this girl used to date a year ago, I lacked self confidence back then, was awkward and nervous around her and didn’t really take care of myself. I used to drink and get high and say belligerent things on the phone to the point of where she got turned off and we stopped talking. I worked on myself this year and cut my vices out and lost a ton of weight. I reached out recently on some good vibes and she said she wanted to start as friends. She lives 40 mins south but vacationed in my city at a hotel. She was at the pool with her parents and new friends and called me to ask if I wanted to swim and hang out. I agreed and met up at the hotel where she introduced me to her parents, her parents were veryyyyy nice and her dad bought me drinks and talked with me regardless of the language barrier (Spanish) me and her talked in the pool and had a good time and she even asked if I would want her to invite me to things like this all the time, her parents even invited me to their house for dinner. Her parents went up to the room first and her dad winked at me as he left. I got my car from the valet and we hugged and left.

Why did she invite me to a get together with her parents if I’m a regular friend and I’ve never met them?

We made plans in a couple of days
This girl I used to date became cool again (we talk frequently otp) and she invited me to an event and introduced me to her parents?
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