Sentence:  Whether a rotten state, and hope of gaine, / Or to <WSD>disuse</WSD> mee from the queasie paine / Of being belov'd, and loving, or the thirst / Of honour, or faire death, out pusht mee first, / I lose my end: for here as well as I / A desperate may live, and a coward die. 
Meaning of the word marked with <WSD> tags:  To disaccustom.