i wish i had the strength to let you go, 
of the highs i felt with you i wouldn't know.
i wish i had the courage to shut you out of my world, 
for the affection i got from you i wouldn't have yearned.
                
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Lovely poem, well expressed 'i wish i had the strength to let you go' isn't that just the 'perfect' first line ever

 
                     
                
Love can sap that strength at times.