Comparing weights

Clayden: Dear... I lost weight jor

Beau: Huh? How come?

Clayden: I'm starved at work... No time to eat...

Beau: Then ma become very slim already...

Clayden: Yeah... I am 78kg now.

Beau: How can!!!

Clayden: Why not? You're 84 ah?

Beau: No... I will be 72 one month later.

Clayden: I will be 68 then...

Beau: =.="