婚姻真实性 only matters when eligiblity is based on marriage.
If you are EB principal, 婚姻真实性 or not is none of immigration agency's business.
If marriage based GC, your spouse has to come with you for interview. Lawyer is not necessary.
If you are EB principal, 婚姻真实性 or not is none of immigration agency's business.
If marriage based GC, your spouse has to come with you for interview. Lawyer is not necessary.