Those lines that I before have writ do lie,
Even those that said I could not love you dearer:
Yet then my judgment knew no reason why
My most full flame should afterwards burn clearer.
But reckoning Time, whose million'd accidents
Creep in 'twixt vows, and change decrees of kings,
The speaker’s judgement was flawed. In the context of the previous sonnets, despite what is written here, there is no hint that the Bard’s feelings were any less powerful. Readers can track back to find a range of emotions; jealousy, insecurity, fear, tolerance. But he asserts that his feelings are now stronger.
Sonnet 115