Hi Julien,
There are more then 5 good reason to stay in Congo...........but as you mentioned i will say 5 reasons..........
1. Life is easy
2.Distance between places in the cities are not so far that you cannot reach
3.24 hours Taxi facilities........
4.Affordable accomodations and transportations,communications...............
5.¾ÅÉ«ÊÓÆµs have respect amongst the local.................
Regards,
Anil