John Strain: The 7th Social Muscle by The Voice Staff | Jun 23, 2018 | Game Plan For Life, Skip Hall Game Plan For Life John Strain: The 7th Social Muscle Play Episode Pause Episode Mute/Unmute Episode Rewind 10 Seconds 1x Fast Forward 30 seconds 00:00 / 28:00 Subscribe Share RSS Feed Share Link Embed Today Skip and John discuss the 7th social muscle.