A warning sign
I missed the good part then I realized
I started looking and the bubble burst
I started looking for excuses

from Coldplay – Warning Sign on Rap Genius

Meaning

Normally a “warning sign” is used to describe the beginning of the end of a relationship, but instead Martin uses it to describe his the fickleness of his own personality. Trying to look for insecurities, for flaws in a perfectly happy relationship should’ve been his warning sign that he needed to make a change in his life. Unfortunately he didn’t realize this in time, the nonexistent flaws ballooned in his mind and they fractured the relationship.

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