So people have already analyzed Love is a long road and it's about the girl dragging the guy into a tumultuous life but I haven't seen much discussion about the songs in trailer 2 and there's a lot potentially telling us about the story!
First scene at the house, Thunder island plays and is reminiscing about a couple that went through a storm and leave the island so it could just be saying that Jason and Lucia went through a rough time.
Then Child Support plays and the lyrics are about a guy saying he got cheated and locked up, then hit with child support which also correlates with Lucia's baby rumor. In the song he also pleads to see the kid but they don't seem mad at each other so doesn't fit much, maybe baby isn't Jason's?
Then Talking to myself again plays and it could be either representing Jason missing Lucia or about her loneliness in prison. The lyrics even say "If I'm not careful they will have to send somebody to lock me away".
Now this part can be reaching but if we go by the rumor that Jason is undercover, while the song is saying "talking to myself again" he is staring at the cops like he's looking at himself, a cop!
Finally when they reunite, Hot together plays and this one's tougher because it is mostly about a couple meeting at a club and hooking up but hot together could mean hot in the sense that they are wanted by police or hot together like they could be a great team together.