If she's ignoring my apology, what should I do next?

fmfan08
So me and this girl I've been penpals with online have been falling out lately, down to my fault. She's sent me texts saying "But you are ruining it.. you have ruined it!" due to my repeated behavior , then after saying I wouldn't "fly off the handle again", she told me "I can't be arsed now if I'm honest. You've done this too many times."

So I left it a few days and sent her this on Facebook:

"I’m sorry for the accusations, for being childish and flying off the handle lately. My head’s been all over the place with personal stuff and I just snapped :/ Was wrong of me to say what I did because you’re none of those things, far from it! It doesn’t excuse how I acted, I know it’s happened a lot but I promise I won’t let it happen again. I don’t want to lose our friendship like this as I really don’t want to fall out with you! Hope you can forgive me, but I understand if you don't. Reckon we can draw a line and still be friends?"

It's been about 7 hours and I haven't had a reply, yet she's "seen" the message and been online/tweeted about 10 times since on Twitter.

What should I do now? Get on with other things hoping she'll forgive me down the line? Someone told me not to send anything again as it will annoy her and push her further away, is this true?

I was thinking about leaving it a week and texting her about my depression problems that I've been having and that's the real reason why I've been flying off the handle lately, that I do want to be her friend but I "can't guarantee this won't happen again" and that she'd have to accept that this is "me".
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This is someone I am trying to keep a friendship with
If she's ignoring my apology, what should I do next?
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