Eventually, Skinner begins trusting Mulder and Scully and becomes their ally, as he stands up to the conspirators that tried to control him, for which he frequently pays for through the series.
Skinner begins trusting Mulder and Scully. This is eventually. He stands up to the conspirators. These conspirators tried to control him. This was for which he frequently pays for through the series. Skinner becomes their ally. This is eventually. He frequently pays for through the series for their ally. He stands up to the conspirators. These conspirators tried to control him.