Will you date a girl only once a month if you like her?

Thanks for reading my question. I am really confused and would like to seek your advice.

I meet this guy 4 months ago and dated for 4 times only. He calls in infrequently, sometimes as long as over a month. I do think he is fond of me from hints like showing interests in my daily norm, texting me while he is on business trip in other country (but once only), praising me, catching up my steps tightly in crowd...etc. Am I thinking in the wrong way? Does he really like me?

He disappeared for another month by now. I texted him to say hello and he replied that he is being up with heavey workload. Will guys be totally absorbed in works that he will forget everything? or he is just not that into me?
Will you date a girl only once a month if you like her?
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