Mbob always has good, practical advice.
I'd add that things like HIM asking you when you can get together next, not you suggesting it (I just brought up the next time for us, last night, for the first time because we got on the topic of next week's schedules). And letting him be the one to express emotion/interest/emojis/whatever first, and a little more than you do. All this may sound old fashioned or whatever, but what I want is the guy who tells me "I have to play up to be with you" and "You make me want to be a better dad, friend and me."
Re the exact example of 2 calls....I think applying the spirit of the law behind any of these things is what's really important. Trusting your gut on what to say, how much and when, etc - most of us are codependent or have behaved such in relationships so this is big
You sound like you have a really good head on your shoulders! I'd just say use it, along with your heart. We do have to risk connection with someone to find a good one.
Maybe a good way of saying what Mbob and I are both getting at is this quote:
https://www.instagram.com/p/nmhpPOseAg/