Originally posted by quanchi112
I already explained relativity here.He didn't do so easily. Albus was on his ass. Voldemort let broke free and didn't even hesitate to respond with an attack of his won.
He was unable to magically stop Voldemort. Voldemort looked superior regardless.
But that's not what you do
It was pretty easy for him. Voldemort got out due to the assist from Harry
Albus never tried to stop the possession. He instead helped Harry see that he could overcome Voldemort on his own