I haven't had any proper sleep in about 30 hours so what I'm about to say might not make any sense. 

Mum,

I don't see the point of me wasting my Friday at some event just to temankan her. It's not the right week of the month okay. We aren't even that close. And I'm sure she has other friends. I'm going to the wedding on Saturday anyway. So there really is no need to bribe me with a new bag and call me "sombong girl".

PS. You still owe me RM120.