What does he mean by "I resent that"?
By "I resent that", he means that he feels bitter or is mad at himself and Pumbaa for "being there" for Pumbaa. Although, I think he's joking! They tease each other as friends. Ex: I resent that I never got to go to my High School prom. => to be upset about not going to prom in the past. Ex: Kelly always got in trouble when we did something bad, and she resents that.
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