But once you go back, you might not like what you find. https://www.popularmechanics.com/science/math/a69651575/student-says-paradox-free-time-travel-is-possible-science
https://plato.stanford.edu/entries/time-travel
https://www.ebsco.com/research-starters/science/time-travel
https://www.engineersgarage.com/time-travel-theories-possibilities-and-paradoxes-explained/