He was also shown on video uncomfortably practicing making the Sign of the Cross.
________
I guess you are not familiar with Eastern Orthodoxy.
They do the Sign of the Cross in opposite way than Catholics, so he was actually doing it right.
Also, Eastern orthodox service is very long and one should stand up the whole time (there are not even chairs in traditional orthodox churches). So standing up for few hours is quite an achievement! I could not do it.
No wonder then he might feel uncomfortable.
Not an apology for his misdeeds, but explanation.
Plus if he had engaged even semi seriously in Orthodox Lenten Fasting general body weakness from protein deprivation begins to set in around the fifth week or so.
And after eight weeks of no meat and fish and seven weeks of no dairy...