Try to answer me again?

ok so i had been telling u about this friend that im afraid im falling in love with him and that im afraid that im not his type! so something really weird happened yesterday i putted on my msn a personal message that goes like this(all i want for christmas is you) so i didn't expect anyone to answer but he answered saying (I want u 2) so i laughed at his reply but he didn't say anything! what does this mean? does it mean anything or am i just imagining it???????