What do you do if you like your neighbor?

Answer 1

That would depend on a variety of circumstances such as are they single - if they are then you could talk with them and ask them if they would like to go out sometime. If they are with someone already its best not do anything.

Answer 2

if your crush lives next door and he has a sister that is your best friend ,then ask her if she can ask him if he likes you..or hang out with him everyday!!(: