How to read tablature? 
Intro:
    B5          Gbsus4       Abm7        Esus2
xA|-2--9--x--9-----9--x--9-|----9--x--9-----9--x--9-|
xE|-------x-----2-----x----|-4-----x-----0-----x----|
xC|------------------------|------------------------|
xG|----4-----4-----4-----4-|----4-----4-----4-----4-|
 
Verse 1:
B5                  Gbsus4                 Abm7                  Esus2
  Here's to all the late-night drunk phone calls that you picked up
B5                  Gbsus4        Abm7            Esus2
  Here's to all the bad decisions that you didn't judge
B5             Gbsus4                         Abm7             Esus2
  All the love yous and the hate yous and the secrets that you told me
B5               Gbsus4         Abm7 Esus2
  Here's to everyone but mostly us
 
Chorus:
          B5             Gbsus4        Abm7 Esus2
There's a couple billion people in the world
      B5            Gbsus4          Abm7           Esus2
And a million other places we could be, but you're here with me
B5            Gbsus4          Abm7 Esus2
Take a moment just to take it in
                 B5            Gbsus4     Abm7
'Cause еvery high and every low lеd to this
            Esus2      B5 Gbsus4 Abm7 Esus2
I'm just so glad you exist
 
Interlude: B5 Gbsus4 Abm7 Esus2
 
Verse 2:
B5                Gbsus4       Abm7             Esus2
  Hey look what a hello from a stranger turned into
B5               Gbsus4           Abm7            Esus2
  Caught up in a moment like it's just us in this room
B5                   Gbsus4
  All the right words at the right time
        Abm7                 Esus2  B5                 Gbsus4
And you know 'em 'cause you know me better than anyone else
Abm7                 Esus2
We don't need anyone else
 
Chorus:
          B5             Gbsus4        Abm7 Esus2
There's a couple billion people in the world
      B5            Gbsus4          Abm7           Esus2
And a million other places we could be, but you're here with me
B5            Gbsus4          Abm7 Esus2
Take a moment just to take it in
                 B5            Gbsus4     Abm7
'Cause еvery high and every low lеd to this
            Esus2      B5 Gbsus4 Abm7 Esus2
I'm just so glad you exist
 
Interlude: B5 Gbsus4 Abm7 Esus2
 
Bridge:
B5                  Gbsus4             Abm7               Esus2
  Don't you ever go, don't you ever go, don't you ever go changing
B5                Gbsus4          Abm7               Esus2
  Never let me go, never let me go, never let me go, baby
B5                 Gbsus4             Abm7                Esus2
  Don't you ever go, don't you ever go, don't you ever go changing
B5                 Gbsus4               Abm7               Esus2
  Never let me go, never ever let me go, never let me go, baby
 
Chorus:
          B5             Gbsus4        Abm7 Esus2
There's a couple billion people in the world
      B5            Gbsus4          Abm7           Esus2
And a million other places we could be, but you're here with me
B5            Gbsus4          Abm7 Esus2
Take a moment just to take it in
                 B5            Gbsus4     Abm7
'Cause еvery high and every low lеd to this
            Esus2      B5 Gbsus4 Abm7
I'm just so glad you exist
    Esus2      B5 Gbsus4 Abm7 Esus2
I'm glad you exist