Ask them if you have kissed why can't i and if they shout a whole lot of questions at you repeat the questions back to your parents it worked for me.
Honestly, you can't convince them. Either they will let you or they won't.
if your parents wont let you get sponsored, well, id yell at em.
you say parents are going with
say please
I have the same question!
you ask them
make a deal with them and stick to it :)
tell them you want rats
be a good kid
come out of the closet
Tell them its a Spanish trip and your parents are allowed to go !
.