in (one's) own good time
At one's preferred pace; at the point in time that one prefers or desires. I hate rushing through books for class—I'd rather read them in my own good time and really get immersed in the story. Don't put pressure on her. She'll have the report ready in her own good time.
in your own good ˈtime
(informal) when you want to, and not when other people tell you to: There’s no point in getting impatient. She’ll finish the job in her own good time.