From Sex Addict to Good Dad

Hello.  I'm a recovering sex addict, sober since July 2015, checking in this morning with a lot of gratitude and a heart of joy. My Higher Power is working amazing things in my life. How do I know that recovery and sobriety are worth all the effort?  How do I know that SA and the Twelve Steps work? I know because this morning I found where my 16 year old had posted on social media that I am a "good dad."  I can't imagine a better way to start my day!  And I can't imagine this happening in a world where I'm not sober and working the 12 Steps of recovery.