If you lose attention, such as by daydreaming, having tough thoughts move to something else, or you fall asleep, you lose site contact and the Remove Viewing session is over.
No it gets corrupted by your conscious mind. The subconscious is usually scary accurate, but it speaks in symbols that you misinterpret easily, or emballish with conscious mind crap. In RV this is usually called AOLs or STRAY CATS, and I write about those here Can I just ask Asmodeus for power - #61 by Mulberry
Trust those and all you are doing is role playing made up nonsense, happens all the time - UPG is UPG. Ho do you know if what you think you got is real? You don’t. Not without concrete real-world feedback or, verification from at least a couple of other viewers saying the exact same thing without any preloading or pollution (but, beware they can also view your session not the actual target, so you cannot ask for this, it has to be unrelated).