The Abramson Singers - Do Not Love Too Long chords

First tab, so please forgive me if I can't get the chords to be highlighted... haha. 
Anyway, this song is based off the poem by William Butler Yeats. I feel like I shouldn't 
have to type this, but just in case: I do not own anything in this song.

No capo

Em
Sweetheart do not love too long,

G        D
I loved long and long,

C                      Em
And grew to be out of fashion,

C          D
Like an old song,
[ Tab from: http://www.guitaretab.com/t/the-abramson-singers/362508.html ]
Em
All through the years of our youth,

G                   D
Neither could have known,

C                              Em
Their own thoughts from the others,

C                  D
We were so much at one,

C                      Em
But O, in a minute (s)he changed,

Em
O do not love too long,

C                       Em
Or you'll be out of fashion,

Em          D
Like an old song.