What cause utnapishtim to have mixed feelings about gilgamesh?

Utnapishtim had mixed feelings about Gilgamesh because he saw both the potential for greatness and the flaws in his character. He was impressed by Gilgamesh's determination and courage, but also recognized his arrogance and recklessness. Ultimately, Utnapishtim believed that Gilgamesh had the capacity for growth and wisdom.