Relief that it was nothing physical, the tension left him in a rush. He couldn't say he had a wealth of experience with pregnant women, but he had several coworkers who'd taken great pains to prepare him for what was to come. So rather than open his mouth and promptly stick his foot in it, he simply held her through the worst of the storm, rocking slightly and rubbing her back. He made several non-committal sounds, ones he hoped sounded soothing.
Once the crying had subsided from wails to small sniffles, Zach summoned the tissue box and held for her while she drew several out. His hands cupped her face and wiped at the tear tracks with his thumbs.