I smell - You say it when you know what someone is saying. It's like y

You say it when you know what someone is saying. It's like you're saying 'I know what you're talking about, and I'm not in the mood to play games.'

I said 'another way to say I hear you' when my friend said he was tired.

I said 'another way to say I hear you' when my brother said he was hungry.

I said 'another way to say I hear you' when my mom said she was going to sleep.