Full Idea
What is often called the 'irrationality' of our emotions is rather the faulty timing or inept choice of their expressions.
Gist of Idea
The supposed irrationality of our emotions is often tactless or faulty expression of them
Source
Robert C. Solomon (The Passions [1976], 6.4)
Book Reference
Solomon,Robert C.: 'The Passions (1993 ed)' [Hackett 1993], p.190
A Reaction
The irrationality can be pretty obvious when having a tantrum over trivia, or resenting some tiny slight, or falling in love with a dead film star. That said, his point is well made.