I thought this was a secret code only I knew. Now I have to conjure a different way of subliminally communicating my indisposure to chatty friends. Also, "heh

I thought this was a secret code only I knew. Now I have to conjure a different way of subliminally communicating my indisposure to chatty friends. Also, "hehe" means "only mildly amusing, but I'm not busy so I'll keep talking". (Unless you say "hehe" after something you wrote yourself, in which case it's creepy.) I'm 29.