To what extent does the Son submit to the Father? How does that relate to marriage roles?

You really do not know what you are talking about. Piper, pro-ESS and neo-Arian? Seriously? We need to see some solid citations to support your saying such [appropriate adjectives withheld :slightly_smiling_face:] things.
 

Yes. That’s beyond you, is it? Hebrews 12:2 has been excised from your Bible?
 

Only those who can read and think.