Becoming a vegan

Last year my wife decided to become a vegan so we had a long discussion on this subject. I was wondering whether she was going to eat eggs and dairy and give up on eating animal based products, etc. I was also afraid she would have a vitamin or mineral deficiency and other problems. She told me that she was  aware of the consequences and would take care to eat a properly balanced diet. What was the reason for  becoming a vegan? She told me it was the ethical thing to do. I asked her what about animal-derived products like leather clothes and footwear since she really liked quality items of clothing. She wasn't aware there would be so many restrictions. It seemed to me she started to have second thoughts. She is a strong willed person who would never change her mind and  so she did  become a vegan. It has been 6 months since she gave up. I hope she doesn't go back to being a vegetarian again,  because while she was on the diet it affected her health. Moreover, it was extremely difficult to go shopping and cook dinner with her...