egocentric

他总是把话题扯回自己身上，显得非常自我中心。

He always turns the conversation back to himself, showing his ___egocentric nature.

她总是谈论自己，从不关心别人的感受，显得非常自我中心。

She always talks about herself and never cares about others' feelings, which makes her seem very ___egocentric.