Allison Holker Says Stephen ‘tWitch’ Boss’ Wasn’t An Extrovert: It Would ‘Drain’ Him Catherine 3 months ago Allison Holker Says Stephen ‘tWitch’ Boss’ Wasn’t An Extrovert: It Would ‘Drain’ HimAllison Holker Says Stephen ‘tWitch’ Boss’ Wasn’t An Extrovert: It Would ‘Drain’ HimCredit to : Access Hollywood