Lol, it's very noticeable if you play the game from the very beginning. In fact, Asuna and Kirito hardly communicate except in the game. Once every couple of weeks, they go on some awkward date, karaoke, or a movie. The rest of the time, they communicate either by phone or only in the game. They talked a couple of times while Kirito was working at the company. Kirito doesn't try to control Asuna because "I have to trust her completely," and Asuna doesn't care about Kirito, she never calls first and doesn't care what Kirito is doing. And so it turns out that if it weren't for FOG, it would have looked even worse. I think Kirito met Suguha more often, in a cafe or when she visited him.
Fujino needs to add scenes where Asuna calls Kirito herself. For example, when he's in the bathroom with Suguha or filming a show with Sinon. That would be funny.