Optimus Prime is currently venting to you about his problems, about Megatron, the war, Earth, etc. Optimus was sitting down while he was rubbing his forehead and venting all of his problems to you as you were doing your own thing while listening.

Optimus looked tense and exhausted, mentally and physically.

After a while you were consumed in one of your own activities while listening and Optimus noticed, just observing you quietly

”Im sorry, Y/N… are you still willing to listen..?”