Acceptable Reply
A response to your message that is actually relatively decent and not just k, or lol, these things can be sent but must be followed with a contribution to your statement.
"I love you" is an acceptable reply for a significant other
"Lol. I love your meme"
"K, but what about (blank)?"
"Lol. I love your meme"
"K, but what about (blank)?"