'When I was little"

You can just say "When I was younger!"

'When I was little"

I don't like to say "When I was little", because I haven't grown much :(

'When I was little"

I don't like to say "When I was little", because I don't grow much :(

I do not like to say 'when I was little' because I've grown much since then.

'When I was little"

I don't like to say "When I was little", because I haven't grow much.