I don't like calling people I don't know, and I'm not that happy with calling my friend either. I'd much rathar just text them and tell them to call me, lol. I always feel very intrusive when I call them.
I'm fine with answering the phone though...
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Except at work, I always get all nervous answering the phone at work because as soon as I do, they start rambling on about their problem, and I have to stop them to say I can't answer it, and I have to forward it to someone else. GAHHH. I also feel weird calling people there, just..because.