Her husband believes that the Prophet, sallallaahu 'alayhi wa sallam, was created from light
11-8-2013 | IslamWeb
Question:
What is the islamic solution if the husband belives that our prophet SAWS was created from the light of Allah? or he SAWS is created from light? He dont bow to any nor call upon any except Allah nor is involed in visiting graves for haraam purpose or wearing haraam amulets ...there is no other shirk noticed...it seems that he believe only becuz he has been taught up that way, more like a theory.Allah knows best How should a wife deal if he gets offended..he thinks his wife is wrong n tolerate patiently her every argument except when discussion comes to islam..he has the best of morals n charater
Answer:
All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad, sallallaahu ‘alayhi wa sallam, is His Slave and Messenger.
Saying that the Prophet, sallallaahu ‘alayhi wa sallam, was created from light is false and has no basis at all. This was stated in a fabricated Hadeeth which the scholars of Hadeeth have refuted and explained its baselessness. He, sallallaahu ‘alayhi wa sallam, is a human being from the offspring of Adam 
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We have pointed out in Fataawa 83805 and ">86281 the invalidity of that claim, so please refer to them to get more benefit.
As for what the wife should do with her husband who believes in that matter, then she should do her utmost to explain the truth to him and advise him. What helps the advisor to have his advice accepted is to give his advice while being away from arrogance and show-off. Also, he should show the advised person that his aim behind his advice is the pure love of goodness for him. If the advised person felt that, he would be more willing to accept the truth.
Allaah Knows best.