2 15: Isn't it contradictory to win something back from someone when it is obviously your own? First of all, understand from the surface. This flower is his own, and he knows he doesn't have it. Now he wants to "give" flowers to people and get them back from them. "Waiting" symbolizes the generation of desire, "gift" symbolizes temptation, and "winning" symbolizes victory. He explained that man's desire is more difficult to estimate by writing about God's desire for victory.
2 16: "My troubles bother me" shows my hardships, and "Ask me their own names" shows that I have no idea why I am trapped. This is a kind of irony.