Messing with my friend on Facebook. Need ideas!! Help?

message a girl or write on their wall and tell them that he is so in love with them and wants their number and all the great things he would do with her hahaha and then post on his wall saying how in love he is with this girl and he wants to get serious and marry her and then go online find a picture of a blue tux and say this is what im going to wear on our wedding haha