1.They don’t have cutie marks because they are little.  
2.She can cry in this form because of her mother.  
Starwing : snif snif  
Diamond fruit : Hm?Hey why are you crying is something wrong?  
Starwing : snif Every one snif is ignoring me snif because..I can’t control my hair.It’s always burning into flames.  
Diamond fruit : And dhey are ignoring you because of that?  
Starwing : Yes, they are ignoring me because i’m strange.  
Diamond fruit : You’re not!They are the one who are strange if they don’t like you like that.  
Starwing :Hm?  
Diamond fruit : One good friend will like his best friend no matter what .  
Starwing : snif Really?  
Diamond fruit : Yes and after all I think it’s cool.  
Starwing : Y-you do?  
Diamond fruit : Yes ofcourse.  
Starwing : smile  
Diamond fruit : Um if you want you can come with me I’ll be very happy.  
Starwing : O-okay.  
Diamond fruit : Cool! We are going to have lot of fun!Are you coming?  
Starwing : Yes.