Why is obierika sometimes sorry he has the title of ozo?

Obierika sometimes feels regret about his title of ozo because it comes with strict cultural obligations and expectations that can be burdensome. The responsibilities associated with being an ozo can restrict his freedom and lead to conflicts between personal desires and societal duties. Additionally, he witnesses the challenges and pressures faced by others in similar positions, which can lead to a sense of empathy and reflection on the weight of tradition.