Childish??

erm...this year..im 21 years old...
last few days went Midvalley...
there have a carnival there...
my family and i go there have a walk...
after that suddenly got 1 Singh jump out and ask me...
" Hey, do you wanna learn English?"
Sigh~~~
then i said..No thanks...
after that i look at the advertisement...
for Kids only..OMG!!!
haiz...
am i really that childish look???
haiz...
is it a good thing or a bad thing???
Sigh~~