The Class President believes that the size of the boobs and intelligence are inversely proportional, so she thinks Galko is living a very carefree life.
But, she changes her mind when she sees the bulletin board Galko was intensely staring at.
That's what they say, 
and I think it's actually true.
هذا ما يُقال، وأظنّه صحيحاً
Das sagt man so und ich denke,
das stimmt auch.
Eso se dice y podría ser cierto.
Mah, sono solo dicerie...
É o que dizem. Acho que é verdade.