Please pick which is your favorite love song?

i'm doing a survey, and i really need to get other opinions. thanks!

Song 1:

http://www.youtube.com/watch?v=yl0Ld68I7BU

Song 2:

http://www.youtube.com/watch?v=ykexpgHrTkI

Song 3:

http://www.youtube.com/watch?v=UT-8NgpJzWc