Legally, SA is probably right, but it's still a good idea. Potentially allieviates confusion and "he said/she said", and who knows, you might be able to use it later...
I wish I'd started getting things in writing much earlier...
Good luck, and keep your focus! A public place is a good idea IMO because it might help you keep from crying etc.
Peace PEI
Holding onto anger to punish someone else, is like lighting yourself on fire to get smoke in their eyes ~ 25yearsmlc