if it isn't about overcoming, do not write it. it will only immortalize the agony. write about the good stuff, think positive, think happy. happiness attracts happiness. the pain will pass, but only if you let it. so let it. do not dwell on it, do not think of it unless you can top the thought with a resolution to be happy.
Finally, brethren, whatsoever things are true, whatsoever things [are] honest, whatsoever things [are] just, whatsoever things [are] pure, whatsoever things [are] lovely, whatsoever things [are] of good report; if [there be] any virtue, and if [there be] any praise, think on these things. Philippians 4:8
write about the good stuff. tell stories of victory, of becoming a better and happier person, of learning, of the grace of God that is able to heal all brokenness (Psalm 147:3), of His strength that is able to succor (Philippians 4:13), of His love that covers even the darkest sins.
Talk of God. Talk of love. Overcome.