Never stop being a kid, Richard. Never stop feeling and seeing and being excited with great things like air and engines and sounds of sunlight within you. Wear your little mask if you must to protect you from the world but if you let that kid disappear you are grown up and you are dead.
Start by identifying the qualities or characteristics that make you distinctive from your competitors - or your colleagues. What have you done lately - this week - to make yourself stand out? What would your colleagues or your customers say is your greatest and clearest strength? Your most noteworthy (as in, worthy of note) personal trait?