one of us wants out and the other doesnt... how do you exit quietly

belfast couple. weve been in the ls 7 years. ive decided im done. my husband isnt. i still love him and want our marriage and the rest of our intimate life intact but im done with the lifestyle bit. how do you exit gracefully when your partner doesnt want to, without it feeling like one of you is sacrificing for the other... and without dragging out a half in half out for the next few years. real question. not looking for permission just looking for how