What ia considered too little contact?

I'm in a 6 yr relationship. My guy has a very busy job and has teenagers.

Sometimes I'll get a few texts from him in a day but that's not often.

When he's with his kids I barely hear from him. Yesterday I didn't get 1 single text. This morning he texts good morning. Then another text yesterday I just got so caught up in things. Nothing else today. This is very typical and its pissing me off.

What ia considered too little contact?
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