Each relates an anecdote to appeal to the reader’s emotions.
The use of anecdote or story inevitably puts the reader in to the character’s shoes. The reader is able to feel what the character feels. In the first passage, it transmits the feeling of frustration that justifies El Líder’s resort to revolution; while in the second passage, the show of affection with embarrassment and eventual connection is clearly evident and is easily felt by the reader.