Peer-to-peer(P2P) is the the system in which computer system are linked with reach other through internet connectivity. There is no requirement of central server for file sharing and transmission. Thus, it can act as client and file server in a network for file and data transmission.
Other options are incorrect because classic view,X-Window and SSH(Secure Shell) are not the relationships that have the potential to behave as client and server for cooperation of programs.
Answer: Can Insanity is like a debt repayment, if you don't pay or feed it on time they will die/ interest rate of the bank will be more and more expensive.