She still is, actually

Question

What does the second sentence below mean (She still is, actually.)?

 

Well, my sister was four years older than me. She still is, actually. Um,

I remember once when I was about ten years old, I had a pet, a bird.

Answer 1

خب، خواهرم چهار سال از من بزرگ‌تر بود، راستش هنوز هم (چهار سال بزرگ‌تر از من) هست.