I think it's important to have closure in any relationship that ends - from a romantic relationship to a friendship.

"The past is a ghost that refuses to leave."

Retire into yourself and ask yourself this question: Must I write？ If the answer is yes， then you must keep writing.

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.