The speaker considers the existence of flowers to be more liberating than the existence of weeds. The speaker sees the existence of flowers as an expression of human gratitude. Flowers, according to the speaker, are an annoyance to people. However, they are a reminder for those who have lost their love that they are loved by others. In conclusion, the speaker responds to the flowers with appreciation and also warns others about the dangers of love. He or she does not want anyone to suffer like he or she has done.