Why do girls get mad when a guy doesn't give them attention?

Does that mean she wants his attention? This girl ALWAYS gets mad at me when I don't talk to her too much, or my answers are short or I don't say HI in a manner she wants me to. Right now she is mad at me and won't talk to me (well, she will answer, but its all passive agressive or in a "im not mad at you but won't talk to you" way). When we are in a talkative mood, she tells me I annoy her a lot and just keeps teasing me and calling me names and if for some reason I take it seriously (lets say I have a bad day and my endurance for sarcasm and playful jabs is really low) she gets mad/upset and me. She KNOWS I like talking to her, a lot, but even so she gets mad when I have a bad day. Its not like I act like a jerk, call her names or yell at her, I just get really quiet with everybody, but she takes it personally, which she shouldnt.

Why does she get like this? Its always with me, we either have a great time together or we are arguing or mad at each other, why is this?
Why do girls get mad when a guy doesn't give them attention?
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