My roommate and I (both 24 f) live in a rental house in a older neighborhood. Most houses on the block were built in the 40s. The yards are somewhat big with large trees, bushes, and hills. My driveway is long, but narrow. Barely one car wide, but about 6 cars long. On my side of the driveway, there is landscaping, on the other side is my neighbor's yard. The driveway is the social border, but if you line it up with the backard, ours extends about 4-6 yards further. Where the driveway meets the street, on the neighbor's side, is a large bush. When we first moved in, the landlord said that if they had extra cars in the driveway, she would sometimes drive around the bush to get in, even though it was a bit on his side. Driving this way would practically straddle the border of the property, with a tire in both yards, though socially it is his side. We typically avoided that, but in January we had a large get together and one guest drove that way and got stuck because of the rain. We got them out, honestly with minimal damage all things considered, but there were a few ruts. We decided that we would just rather never go that way again out of respect. The neighbor never talked to us (he's an older man that stays to himself) but our landlord saw it and agreed that we probably shouldn't do that too often, especially if it rained. Dont want to upset him, even if its half ours. Made since. We haven't used that way since January. Today we were packing for a trip and my roommates mom stopped by and got there a little before her and parked at the end of the driveway (roommate cant get in). Since we were piling things in roommates car for the trip and it hasnt rained recently, roommate went around the bush for the first time in a while. Apparently it was a huge deal, he saw and started cussing her out and saying he will sue. Roommates mom saw and yelled at him to stop yelling at her kid. It was a mess. An hour later he nailed spikes there. Looking at property lines, technically some of those spikes are on our side, but whatever. Im not even sure why he cares considering he drives through there himself to get to his backyard to get trailers and his boat. Hell, there are ruts in the grass from him. His yard isnt a manicured lawn by any mean. Obviously we won't drive there any more (we wouldn't have without the spikes either). But this is really bothering me bc of the technicalities of it. Technically we were driving half on our land, half on his. I feel like getting mad about a sliver of your land not even close to your house is crazy. Ill respect it, but its crazy. Ill try to include a drawing in the comments if allowed, just so you can have a visual of the layout. Idk, am i the asshole here, or is there usually an understanding that places that come that close to the boundary have shared use. Ill respect whatever answer given.