Here are all of my theories put together in an organized timeline so we can all see how things line up.
I will be inputting the lyrics from I Need U that coincide with the scene they play at. They will be in bold and italicized with a small explanation afterwards like so: **I need you girl** he needs the girl oh damn
Let’s get started, you’re in for a pretty crazy ride tbvfh:
First, we have Taehyung who is sitting outside his home along with multiple beer bottles, most likely hearing the screaming of his parents as they fight by the way he turns his head towards the door.