NOT KNOWN FACTUAL STATEMENTS ABOUT HOW TO TELL IF PROJECTOR BULB IS DYING

I am taking a look at upgrading from my trusty 5040ub. My needs are complicated. I make use of the PJ eighty five% for gaming, the stability for videos. I exploit an anamorphic lens continually in the light path.Does it signify that lamp projectors are for lifetime and laser projectors are for ten years around ?I put in the light swap in between am