I love my brother. I will always love my brother. His soul is pure and perfect. His sins don't erase that purity, they only obscure it
I humble myself before the Seven and accept whatever punishment the gods deem just
I lay with other men including the traitor Renly Baratheon. I perjured myself before the Gods. I am guilty of depravity, dishonesty, profligacy, and arrogance
Cersei understands the consequences of her absence and she is absent anyway, which means she does not intend to suffer those consequences