here is a simple version of the main hook for beginners, enjoy!
A7: 002221
D: 000232
G: 320003
A: 002220
The strumming is three for A7, two for D, two for G, and one for A
But only love can break your heart
Try to be sure right from the start
Yes only love can break your heart
What if your world should fall apart
etc..