I went with the ad supported model, and now I'm thoroughly sick of ads and Amazon, but unfortunately you can no longer root their devices, they've really locked them down.
I'm considering buying another tablet just because I'm so sick of Amazon's crap. I wonder if Free Geek has any decent tablets for sale?
Here's one, set an alarm to go off in the middle of a date, pretend it's a phone call and if the date is going badly "take the call" and say you've got to leave. I could say my roommate has forgot their keys and accidentally locked themselves out for example.