The Son proceeds from the Father like radiance from glory. Although one is distinct from the other, it is impossible for the one to exist without the other. There never was a time when glory existed without its radiance.
There's only one place in the Bible where Jesus Himself described what it means to be Christlike.
Those who try to follow Jesus’ example, without His strength, find their lives to be hypocritical and frustrating. What is needed in following Christ is balance.