Boys can't return messages.

He is busy with other things, isn't he? Other things are bothering him, such as the phone.

Maybe you don't know that boys think differently from girls. They can't do several things at the same time like girls. They must concentrate on one thing. Just like sometimes, when I talk to my dad and he is watching TV, he doesn't know until I tell him twice.

It must also be said that most boys don't like to explain, unless girls take the initiative to ask him, and many times they don't say it themselves, but they are too lazy to say it. Not telling doesn't mean they don't know. Of course, everything is in their hearts, and they know it at a glance.