Try strumming the lower notes more predominantly to get the real bassy sound Justin has. Might not be 100% correct so feel free to add corretions/suggestions.
Em
D
Well I met you at the blood bank
C
We were looking at the bags
Em
D
Wondering if any of the colors
C
Matched any of the names we knew on the tags
G
You said "see look it thats yours! D(11)/F# Stacked on top with your brother's
Em
See how they resemble one another
C
Even in their plastic little covers"
C
Em
D
And I said I know it well
G
That secret that you knew D(11)/F# But don't know how to tell
G
It fucks with your honor D(11)/F# And it teases your head
Em
But you know that its good girl
C
Cos its running you with red
Em
D
Then the snow started falling
C
We were stuck out in your car
Em
D
You were rubbing both of my hands
C
Chewing on a candy bar
G
You said "'aint this just like the present D(11)/F# To be showing up like this"
Em
There's a moon waning crescent
C
We started to kiss
C
Em
D
And I said I know it well
G
That secret that we know D(11)/F# That we don't know how to tell
G
I'm in love with your honor D(11)/F# I'm in love with your cheeks