Lyric discussion by lifeandotherlies 

It's about breaking up with someone you love. Whether you both think you should break up, or just one person does.

"Cruel, cruel change, pain of rejection" i.e. it's hard to move on as we are comfortable with someone, and the rejection is to see (or think) of the other person with someone else, as well as (possibly being afraid of) pain of being rejected by someone else.

"As you walk away, think of all the joy we shared If you decide you need me, I'll be wondering if I care Not there to soothe your soul, friend to tender friend"

"King persuader, congratulations You share her heart, you bought her soul Princess confusion, come to me again"

These lines suggest that girl breaks up, and the guy tries to get back together but the girl breaks up again cause she doesn't know what she wants

"There's a joy in letting go, free to find a love apart" Is possibly being sarcastic.

"When I lose control, I need a kind, forgiving friend But I think our love is coming to an end" i.e. The guy has gotten frustrated with her and lost his temper and wants to be comforted by the girl, but realizes he shouldn't be comforted because they should just be apart.

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