mum won't let me buy ticket for csm movie!! im so sad huhu

i had money to buy the ticket but i am going alone but she keeps on saying i might get lost if i went on my own, i might get lost or kidnapped like, I'm not a little kid anymore.. i can handle myself and whos gonna kidnapp a grownass person like me? i might be small but i can fight yk? but she still doesn't trust me T_T