Am I normal or am I just exaggerating?

Me and my boyfriend in a relationship for 1 year and a half. When i am with him.. he pays for me. He gives me gifts, he is keen and adorable. But when we aren’t together.. he can go a day without text or call me, other days he calls and text. Sometimes he can be online and doesn’t call or text me. When i text him he doesn’t reply immediately even if his phone is with him. I don’t like to blame or complain or even worse I don’t like to ask for his care and attention. What is that! Is it normal for couples not to talk for a day or two? I don’t understand why he’s being like that when he’s very keen when we’re together. So what to do with him? He doesn’t want or love me? Or it is normal?
Am I normal or am I just exaggerating?
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