This is why,

"Eh, besok gw wisuda.."
"Hah???!!!! serius??!!!! senen ini???"
"iya, hehehe..."
"waaahhh selameeettt!!! akhirnya biii...udah beneran nih ya lulus...Sarjanaaaaa, hehehe"
"Heehehe...iya...makasiiihh..."
"Eh ko ga bilang-bilang sih? ko baru bilang sekarang?!"
"Yaa....gimana....."
"Bi...kalo gw bisa dateng, gw dateng deh bi ke wisuda loe"
"Iya, gapapa ko"
"Ih, wisuda kok ga bilang-bilang sih"