yes there is. Zynga does not allow you to have more then 300 neighbors.
you can play farmville without adding any neighbors at all, but its more fun with more neighbors. The maximum number of neighbors you may have is 300.
Ask him to be your neighbor again
No.
yes
Does anyone want to be my neighbor on farmville? email me at sarajfisher@yahoo.com if you want to plz plz plz plz plz plz
you cant buy a neighbour
dance and click yippee
Yes because you are also listed as his/her neighbor so you will also be deleted in their neighbor's list.
they will be removed but you can add them as a neighbor again
To remove a neighbor, just click on your neighbor that you want to delete on the neighbor list below your screen and then there's an option there to remove as neighbor.
You can get cows on Farmville when your Farmville friends gift them to you or by adopting them when they wander across a neighbors farm and that neighbor posts a notification about it allowing you to adopt the lost cow.
You Can't!
No you didn't lose your current neighbors if you accept other neighbor invitations.