Time Traveler's Manual: Section 3, The Bootstrap Paradox

Warning: Time Traveler, be prepared for the most mind-bending, reality-wrenching concepts in the space-time continuum.

Section 3: The Bootstrap Paradox, also known as the "Predestination Paradox," is a time travel conundrum that will leave even the most seasoned time traveler questioning the fabric of reality.

Imagine, if you will, a time traveler who goes back in time and kills their own grandfather before he has children. But, if the grandfather dies, then the time traveler was never born, and therefore could never have gone back in time to kill the grandfather. But, if the time traveler was never born, then who killed the grandfather? Ah, the paradoxical mind-bender!

For the sake of your sanity, we recommend avoiding this particular paradox, lest you risk unraveling the very fabric of space-time.

But, if you're feeling particularly adventurous, you can try to navigate the Bootstrap Paradox by:

Or, if all else fails, you can always try to call in a temporal support group.