I don't have the time out feature set up on mine by virtue of it being a pia to me to unlock it. But the press of a button and it is locked. I do have some work related stuff, myself, that's frankly no one's business. My exh used to check my phone. He was before this job.
I don't deal with the idea of free range proves nothing to hide. And if there's unfulfilled needs going on within an relationship, communication over prying is better relationship health.