1.carry original logbook coz you will leave it at the border(Kenya side)
2.get an extension of the car insurance to cover comesa,thats the yellow sticker,specify period like a week or two
3.get an agent at the border to do the clearing for you.try yourself it will take you an hour while the agent takes 10 minutes.post documents to him in advance.
4.do not drive yourself in Rwanda,geT a driver at the border...the country is right hand drive
5.leave your half at home(hope you find her)
6.have a nice holiday and if you need more details,ask FOC
7.please come back alone in one piece