Thanks for your experience. I think the age is closer to 13 than 30. You can learn and speak 'well enough' at many ages, but past a certain age you will alway

Thanks for your experience. I think the age is closer to 13 than 30. You can learn and speak 'well enough' at many ages, but past a certain age you will always sound different, and it's much younger than 30 for the majority of folks.