Are they not rational inasmuch as they are reasons? Crappy, mixed up, confusing reasons, especially if they and their relationship to other stuff is not so well understood, but reasons nonetheless. "I feel bad therefore I will snap hysterically at you and stamp my foot; and, oh, tarnation, now I feel worse, so I'm going to suppress that response and coincidentally glow bright pink for a moment; oh, wow, that really wasn't so great, so I should..." And so on. I guess.
And thinking is emotional! Hmph!
*stamps foot ftw*