Is washing tomatoes, apples, oranges etc. with dish washing detergent normal? She's literally unmovable no matter how I tell her she still keeps doing it. I am freaked out. 
For maximum life, refrigerate them wrapped in a dry paper towel inside a plastic produce bag, in the produce drawer.  If you have more than 3 cucumbers, ideally store every 3 cucumbers in separate bags, since one that starts to go bad tends to take others with it. I started storing cucumbers this way based originally on Cook's Illustrated's advice on storing lettuce, and trying it discovered that putting any produce that wilts in bags with a dry paper towel extended lifespan. I compared this with CI's advice to wrap them in plastic wrap, and found that the paper towel method worked better for me, but feel free to try their plastic wrap method instead and do your own head-to-head. As I'm currently harvesting 3-5 cucumbers a day from my garden, I've been doing it a lot lately.  I find I can store a fresh-picked cucumber this way for 2-3 weeks. 