The context of the following conversation is Alex stuck out his tongue at Riley. Riley wasn't too happy and the smile left Alex's face.:
Alex says I'm not sure what Riley's problem is..
The friend responds Is he mad today?.
Alex responds I don't know. I was joking around and he wasn't very happy with me..
The friend responds Maybe he is having a bad day..
Alex responds That's why I was trying to make him smile, but clearly I'll no best to not stick my tongue out at him..
The friend responds Just wait and try again later..