Why does he end his texts like this?

I do tend to analyse my texts a bit, but something has been nagging me. I'd been texting this sort of guy friend on and off for a while, and then we had about a two/three week break of not texting. Then two nights ago, he texted me out of the blue, a really long text and he ended it "anyways, I will speak soon :D:D" Then at the end of the next text, sent last night, he said "anyways, I'll speak later :D". Is it just me, or is this an odd way to end texts? Like it's friendly but a bit formal? Even though we've been friends for quite a while (although, admittedly, we don't know each other that well) and had been texting on and off for about a month before the "gap". Any thoughts appreciated. Just seems a bit of an odd choice of words to me :S

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