Realization that you have missed on something important, significant or with the potential for being life changing, because of when you were born.

60+ year old female barfly with a tramp stamp, dressed identical to her granddaughter who both shop at forever 21.

A thing that contrary to popular belief, cannot cause paradoxes. The only way you would be able to kill your grandfather would be to kill him after your father was born, in which case you never met him in the first place and that will be how it's always been. In any other case, you are physically unable to, for you will inevitably be stopped or change your mind. When you go back in time, you are only able to do what has already happened.

ok so basically you go to a different date than the current but then the new time is the current and so you just changed the present but not your present and theres just like ten million billion trillion paradoxes that destroy the fabric of time that kill everything so just dont please

When you jinx with another person, and the word is something the other person was re-enacting from his or her path

When you wake up with crust in your eyes and think you can get an extra five minutes of sleep but you wake up like five hours later on accident.

when people travel to other places and times