I think as soon as you pop in you are disturbing the natural order of things, and potentially wrecking the time line.
Unless it was meant to be and it forms an alternate branch... or the cause is the effect is the cause.. or you exist out of phase with the timeline you visit so you never actually interact or.. mind explodes
Thanks for commenting! I'll be scrubbing brains off the walls for weeks. <3
hands sponge have fun! hahah