Not to mention unlike most of the other situations he's been in, everybody involved is stuck in close proximity together because they all live at mallon place, so lucas is going to seethe at seeing either of them, let alone together and its going to build his resentment which will increasingly turn to anger until he spazzes out in a way that gets him into enough trouble that he gets the boot. This situation isn't good for anyone involved and it'll keep getting worse so long as lucas and these other two people are there together. Lucas is incapable of not obsessing over this shit which means a chimpout is inevitable at this point. Its only a question of how long it'll take
Exactly. Lucas is one of those creepy incel types who takes any positive interaction woman, if not any neutral interaction that isn't explicitly work related like a cashier, as being an invitation to pursue her. Hell even negative interactions that any normal person would recognize as such like nervous laughing and blushing when he acts creepy he takes as positive signs she wants to fuck him. Any woman that gives him the benefit of the doubt, tries to be civil or who is even a nice person and tries to be kind toward him is asking for trouble and will quickly regret it. Telling him 'fuck off creep' about the smartest thing any woman can do when encountering him regardless of how he is acting at the time