Answer:
The metaphor is, "Life is a broken-winged bird"
Explanation:
In some cases like the word vice, the negative connotation stems from a direct definition of the word(vice means wicked, but another definition is 'a substitute for' so 'vice president'). In other cases, word may be used in a culture to identify a group or individual that is portrayed negatively, thus modifying the inherent definition of the word to better portray how society thinks of the word.
Try using better words for the little words you use. Maybe for an example say, And this is the reason because. Or maybe another reason due to this is...