Responses

Definitely not the latter (in love) since the way he behaves around the bottom seems quite friendly and nothing of sexual manner. The way the panels focus on his expression that looks solemn and melancholic confirms that, imo.
I definitely agree with you that he’s projecting something he found fear in within his brother’s suicide attempt (assuming).
People really need to draw the line between being caring and being meddlesome, especially if their opinion is unwarranted. It should be common sense that outsiders who know nothing much about two people's relationship should not just insert themselves and give advices that might cause misunderstandigns between them. Fujimori's the immature one, giving advices about something he clearly knows nothing about.