If the wife and the husband embraced Islam together, the marriage remains valid.If the wife embraced Islam before consummating the marriage but the husband did not, then the marriage contract is void. If she converted to Islam after consummating the marriage, then she should wait for the duration of the iddah. If the husband converts to Islam during the iddah period, then the marriage remains valid. If he did not convert at all, or he converted after the completion of the duration of iddah, then the marriage contract is void.The iddah in such a case is the same as the iddah of divorce, which is the period until she sees the beginning of her third menses.
It is reported in religious texts not to wear black clothes, which suggests that it is disliked to do so. However, there is no doubt that it is preferable to wear black clothes to mourn what happened to Imam Hussain (peace be upon him) and his household and companions as this represents loyalty and love for the Ahlulbait (peace be upon them).
It is obligatory on individuals to follow the most knowledgeable when possible and that can be determined by referring to the experts that are able to know him. It is not permissible to base the choice of the Mujtahid on learning about his verdicts and feeling comfortable with them.
One who performs the pilgrimage (Hajj) for the first time must shave the hair (halq) and not shorten it (taqseer). Since you did not deliberately contravene the ruling, then your pilgrimage is in order and you are not liable for Kaffara.