In areas in rebel hands, a feared descent into chaos has not materialised.
Claimed synergies have rarely materialised in past pharmaceutical deals, but this time Pfizer seems to mean business: it plans to shed nearly 20,000 jobs.
Fewer than a quarter of the promised jobs have materialised and not a single engine has rolled off the production line.
Little of the cash promised to build such things as joint military units, bringing together the forces of north and south in order to build confidence between the two sides, has materialised.
Reconstruction takes money, and only a tiny fraction of the $5.3 billion in promised aid has materialised.
Few of the promised "jobs for the boys" have materialised. Some groups have called off ceasefires.