Hang in there.
Time will pass. You don't have to push the Earth with your foot to make it spin faster. *hug*
Take you out of yourself -- go see a movie, museum. Hang with friends.
If you want to text her, do. Keep it short -- "Goodnight, hon. Hope you are doing ok. Don't want to intrude tho." is fine.
You don't have to be CHOPPED OFF in contact. Just keep it light and bite size and any sane meta should be ok with a goodnight message for chrissake. That's not calling every hour on the hour. And this IS the first time!
You will be ok.