Meet Your Neighbor
It could take less than five minutes. Here's a step-by-step guide:
Get off of the couch.
Make sure you're dressed.
Open the door.
Walk next door (right or left - it doesn't matter).
Ring doorbell (or knock).
When door opens, introduce yourself and use customary greeting of the country in which you live.
Find common points of interest.
Use traditional conversational conclusion.
Walk back to your house.