Wish you were Here

Only if you were here,The day is near,The day you'll be here.
Were the two that make one,I need you here to love,one-on-one.
Can you tell the difference between Love and Hate.....
Between Partner and Mate.......Push and Shove.........
....Like and Love.........But in the end your still gone.
And I Wish you Were Here...

Whats the opposite of two...?
A lonely me and a lonely you..