texting back - he is responding less, please help 😔

Hey. So my friend and I were texting hella crazy last few months. Yes, we see eachother in real life too, but not very often. Struggle is, that he is not texting as frequently as he used to. How should I tell him? He literally send 5 texts a day, before it was 50-100... I dont wanna sound like im complaining or pushing him😩 HELP MEE please