She means that if something happens instead of going to the bright side you just focus on all the bad things so it is only as bad as you them
if that makes sense to you
In the 1890s Watson championed poor farmers as a leader of the Populist Party, articulating an agrarian political viewpoint while attacking business, bankers, railroads, Democratic President Grover Cleveland, and the Democratic Party.
I believe the answer is: Screen lock
Screen lock in smart phones consisted of passwords that usually utilize combinations of numbers or pattern, which prevent non-owners to access the phone without the owner's consent
Failing to give correct input for the passwords for several time would cause most phones to be permanently locked.