This quote expresses profound regret and emotional pain stemming from a romantic encounter. In the first paragraph, the speaker reflects on their intense suffering, which they had not anticipated when they first met the person in question. This suggests that the depth of their emotional pain is far greater than they could have imagined.
The second paragraph conveys the sentiment that if the speaker had known the extent of the agony they would experience because of this encounter, they would have preferred to never have met the individual at all. This highlights the overwhelming anguish and heartache they are currently enduring, leading them to wish for a different outcome.
In the final paragraph, the quote captures the idea that sometimes, the intensity of emotional pain can make a person wish they had never crossed paths with someone who has caused them such distress. It underscores the profound impact that certain relationships or encounters can have on one's well-being, leaving a lasting mark of regret and sorrow.