What happens if I go back in time and kill my past self? Predestination: the classic choice, The grandfather clause: a twist on the classic, or The time traveler's dilemma: because you're not sure what you're doing?
Will I still exist if I go back in time and meet my future self? Predestination: the classic choice, The grandfather clause: a twist on the classic, or The time traveler's dilemma: because you're not sure what you're doing?
How do I deal with time dilation and time sickness? The effects of time dilation on your poor body, Time sickness: because you're going to need to puke?