Call the police! If it's on your side, you have every right to make changes to it.
Yes. You should have taken photos. They are the best evidence. You should get a couple of fair estimates for repairing the damage and send them to your neighbor with a nice letter informing them of the incident.
It is not possible to attach to a neighbor's fence unless permission is given by the neighbor. It is a good idea to get any agreement in writing for attaching to the fence.
if you must paint a fence and that is all that is required- you would overacheive but repairing any damages sanding and primering it before painting- expect to do it better then what is expected
If the fence is yours - ie your boundary and on your land then the neighbor has no right to attach anything to it (without your permission).
If you can prove it your neighbor should be responsible for it, through insurance or otherwise.
If the neighbor's fence is on your property in New Mexico, you can ask them to remove it. If they refuse, you can take them to civil court.
It is a fence with alternating slats on each side of the fence. The idea is for the fence to be attratcie on both sides.
If your neighboring is putting up a jagged fence and the nice side is facing his property, he can do this if the fence lies on his property. The neighbor can put up the fence of his choice.
No. If the neighbor never talked to you prior to fixing the fence, quantum meruit does not apply.
Only if he owns the fence.
It can be literally repairing breaks or weak spots in a fence, or it can be an idiom for repairing a "broken" friendship or other relationship.
It depends on how your neighbor's yard and your own looks like. Perhaps a rectangular fence would be suitable.