Since DH is working from home full time I've had to train myself to poop when he's on conference calls. My office (which I'm sharing with him now) is right beside the toilet and you can hear EVERYTHING.
He got a pair of noise cancelling headphones for Christmas that he's using to have his conference calls, so I've been taking the opportunity to use the loo. It's been surprisingly easy to train myself to poop at the same time every morning.
It's amazing how quickly we adapt 