If serious talk with somebody every second you wait for him, you will wait for your reply text layout, but if he does not answer, read how you can feel it might be stupid me.
If you are serious with someone every second, you will be waiting for him to respond to your message, but if he can not answer it, you will feel it may be a ridiculous way.
If you talk seriously with someone every second of you, you will wait for him. You will wait for him to reply to your message, but if เขาอ่าน won't you answer you will feel it may be something nonsense.