Manner of performing the rite of shaving the head during Hajj or `Umrah

A 1: It is obligatory to shorten all of the hair of the head from all sides. As for what you previously did out of ignorance, there is nothing wrong with you and the marriage is valid. Q 2: A young man performed the obligatory Hajj with us. He stoned Jamarat-ul-`Aqabah (the closest pebble-throwing area to Makkah) on the first day and did not perform Tawaf-ul-Ifadah (final obligatory circumambulation of the Ka`bah in Hajj). He remained in Mina the rest of the days of Hajj and did not stone the Jamarat (stone pillars marking the pebble-throwing area, Jamarat-ul-`Aqabah being the closest to Makkah) himself but he authorized someone to stone on his behalf. His excuse was that he had a psychological illness which affected him from time to time. I should mention that he performed Tawaf-ul-Qudum (circumambulation of the Ka`bah on arrival in Makkah) and he was offering Ifrad Hajj (performing Hajj only) and stood in `Arafah. We tried to convince him to perform Tawaf-ul-Ifadah, even if he had to be carried on a stretcher because it is a pillar of Hajj, as known; but he refused to enter Al-Haram (the Sacred Mosque in Makkah) due to his illness. He then returned home which is outside the Miqat (site for entering the ritual state for Hajj or `Umrah), and his feelings of fear vanished away. (Part No. 10; Page No. 206) The next week he returned, assumed Ihram (ritual state for Hajj or `Umrah) and performed Tawaf-ul-Ifadah. He did not commit any of the prohibitions of Ihram, until he performed Tawaf (circumambulation of the Ka`bah) and the major Tahallul (final removal of the ritual state for Hajj and `Umrah, after performing the final obligatory circumambulation of the Ka`bah for Hajj). Is his Hajj valid, especially because what occurred was involuntary due to his severe illness which we knew about? A 2: If the if the reality is as mentioned, then nothing is required from this young man as long as he performed the Sa`y (going between Safa and Marwah during Hajj and `Umrah) with Tawaf-ul-Qudum (circumambulation of the Ka`bah on arrival in Makkah) or Tawaf-ul-Ifadah (final obligatory circumambulation of the Ka`bah in Hajj) because he did what was obligatory on him.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.