I'd get sheets and bedding designed to handle the issue and I'd be fine with it.
He helped me wipe my ass after my hysterectomy (because it hurt so much to move I could barely handle it on my own) and he didn't blink an eye or hesitate whatsoever.
Partnership is about being there for everything life throws at you. He's my partner. I'm there for him and he's there for me. Neither of us is flawless in our support of one another but we do our best to get close to it.