Up is the answer to most questions. Predator? Up. Better fruit? Up. Tired of the conversation? Up.
The monkey does not deliberate. The monkey does not weigh his options. The monkey points himself at altitude and trusts the next branch to be there, and it is, and if it isn't, the next one is.
We asked for permission to move and forgot how to ask the trees. The spider monkey did not ask. The spider monkey is now twenty meters above you, looking down with mild interest, no longer party to whatever was happening down here.