The habitual approach you take when your needs appear incompatible with what another wants is called your

Conflict is a struggle between at least two interdependent parities who perceive incompatible goals. The habitual approach you take when your needs appear incompatible with what another wants is called your conflict style. The term conflict style denotes the styles (the way) of handling conflict.
Conflict needs to be effectively managed in order to contribute to the success of organizations.

To sum it up you’ll get in a lot of trouble and even some legal action can be taken