Read the following article and answer the question.

But we ca n't take the chance that they did . " The medic gave a sigh before continuing . He did n't want to go out , but Optimus was terrible about taking care of himself when he was in what Sari called " Leader Mode " . " Why do n't I take Prowl and see if we can find him ?

Why is Optimus not taking care of themselves ?
They are in a position of authority .