Bananas contain a natural chemical which can make a person happy. This same chemical is also found in Prozac.
LeadingLady
says
di ba "happy foods" din yung chocolates and alcohol? 
kaya pala walang malungkot na unggoy!
chocolates trigger endorphin release
alcohol is a downer so it sort of "downs" inhibition, thus the perception that it's a "happy" thing
gochiqui
says
galit na unggoy meron....