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ok since i have about 2% experience with the whole dating scene i really need help with this.

Ok this girl called me last night around 11:00pm, and we talked for about an hr or so. (thats a record for me by the way). Now i wanted to talk to her again today but she said that maybe i can call her tomorrow because she is doing something or w/e. My problem is I always like want to know if its ok for me to call. Like i always try to find out if they are busy or not. I send like a text message asking if they are busy. My friend told me i should just call. I just seem to have the problem where i don't want to waste peoples time.

How much is too much, in terms of talking with her on the phone or on messenger? Like should i call her every night or every other night or once and a while. I really enjoy talking to her, i love hearing her laugh it makes me feel really good so i like always want to call her.
She lives like an hr or so away from me and we just started talking so perhaps i will hang out with her next weekend or something i don't know

I'm just asking for some input