I'm sympathetic to your partner. I went ahead with my trip notwithstanding a head cold and I'm still recuperating...
The glacier was slick. I was on it at noon on a partly cloudy day. The microspikes were the minimum; ideally I'd been wearing KTS crampons. The microspikes would slip out of position or slip off entirely after thirty yards or so, but with only a few hours on a glacier out of a nine day route, they were an okay weight/compromise. I think if I had not had something on my feet like them, I'd have spent more time mucking around in very loose and just as slick mud and talus that was likely more unstable and hazardous than the glacier itself.
I brought a helix potty trowel, but ended up relying on my poles only.