This classic/daggy Aussie song from the Uncanny Xmen has resonated with me for the 
last 25 years.  This is what I came up with in standard E tuning. Enjoy.

Verse 1
C                       F      G/F
its nearly time we were leaving 
C                           F   G/Dm
we'll have one more for the road 

Pre-chorus
Dm           G
it dont mean nothin x2 

Verse 2
C                       F     G/F
so we gather 'round the table 
C                          F   G/Dm
raise our champagne in the air 

Dm            G
it dont mean nothin x2 

Chorus
G               F#            G               C               Am
cause weve got, this night together well have hear and now forever 
F#           G              C           Am
dont tell me now... you can write me a letter 
F#            G      C
where will we be in 50 years (in 50 years) 

Verse 3
so while we're still together 
there aint no need to cry it 

dont mean nothin x2 
chorus 

Bridge
Dm             G
like to say, say to you like to say, 
Dm            G
say its true (yeah yeah yeahay) and theres 
Dm             G               C
no one i would rather than you (oh no no), 
Dm              G
lets talk about it, 
C
some day when we're old 

it dont mean nothin x2 
chorus x2 

where will we be in 50 years X4 

www.australianmusichistory.com/uncanny-x-men/