Part of the whole 'interest obsession' issues for us aspies.
I know from experience of that will doom a relationship when that 'interest obsession' is the other person. I totally destroyed a potential intimate relationship and did destroy many, many other friendships in the process.
Now what I'm about to say may sound mean or harsh, it may even come off as me telling you what you need to do, but you need to pull back and keep your obsession in check. It'll be hard. It'll be very hard. I've never done it. But then I've never really had any method of support or way to know what I was doing wrong. If you don't keep your 'interest obsession' in check, you begin to make them feel possessed and smothered. You have got to find some other things in which to occupy your time between contact.
Now I could be wrong, every situation is different. But this is my advice. You are not wrong in wanting nothing more that to be in contact with someone else. You are an aspie. Be aware that your aspie traits can cause you interpersonal difficulties. Healthy NTs don't necessarily find our obsession tendencies very attractive.
I've learned my lessons the hard way. I hope I've given some insight and some good advice. Just remember that every time you are lying awake, waiting for her call, she's probably asleep, and so should you be. And if you still can't sleep, hide the phone, turn on tv, find a book, something, anything else. My old therapist suggested I clean the bathroom. Don't do that. lol
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On the Spectrum since 2003.