Dating

Why would a guy get angry at you for not texting him for a couple days?

I feel that as girls we scrutinize text messaging much more than guys do. Its early on in this relationship between me and a guy however its started very strong. The first time I met this guy we got along really well and he couldn't stop saying how much he liked me. We've talked every day since then and its been a little over 2 weeks now. However he doesn't respond to my texts in a timely manner or at all sometimes. And when he does respond it can be rather short. As a girl I take this to mean that he not into me. So this last week I texted him that I'm going on a business trip and I'd like to see him that night. He calls me says that he can't see me so I told him I'd text him. The next day I told him to study hard and other positive things. He never texted me back so I went on this business trip and he didn't text or call for 2 days. Then in the morning I get a call at 6, which is way too early so I didn't pick up. Then I read the text he left which says that he's mad that I haven't texted him for 2 days and haven't told him where I am, he misses me etc. So at a reasonable hour I text him back saying that I didn't know he wanted me to and that I missed him as well blah blah blah... So what is the deal? I seriously thought he had lost interest in me.. kind of like as fast as he started liking me. Anyways I'm so confused by his behavior, because if he really like me then wouldn't he always respond to my texts and text me every day?
Why would a guy get angry at you for not texting him for a couple days?
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