Yes, 90s fashion, sunglasses, and swimwear have made a comeback in recent years. Many fashion trends from the 90s, such as high-waisted jeans, crop tops, and slip dresses, have become popular again. Additionally, 90s-inspired sunglasses, such as small oval frames and colored lenses, have become trendy once more. As for swimwear, high-cut one-piece swimsuits and retro bikini styles reminiscent of the 90s have also become popular choices. Overall, 90s fashion, sunglasses, and swimwear have definitely made a comeback in the fashion world. **

It is not explicitly mentioned in the text whether the friend paints his toenails or wears Birkenstock sandals. The friend is described as having a "funky style," which could potentially include painting his toenails or wearing Birkenstock sandals. However, without further information, it is unclear if these specific details apply to the friend. **

It is not uncommon for people to wear sunglasses on their head as a fashion statement or as a convenient way to have them readily available when needed. Some people may also have sensitive eyes and prefer to have sunglasses easily accessible. As long as your friend is comfortable and happy with wearing sunglasses on her head, there is no need to be concerned. It is ultimately a personal choice and preference. **

Choosing a best friend can be a difficult decision as both options have their own unique qualities. A best friend is someone who knows you inside out and has been with you through thick and thin, while best friend is someone who you have a strong bond with and share common interests. Ultimately, the choice between the two depends on personal preference and the depth of the relationship. **

A fast friend is someone you quickly connect with and enjoy spending time with, but may not have a deep or long-lasting bond with. A best friend, on the other hand, is someone who knows you inside and out, supports you through thick and thin, and is there for you no matter what. While fast friends can be fun and enjoyable, best friends provide a level of trust, loyalty, and understanding that is unmatched. Ultimately, having a best friend is a special and meaningful relationship that goes beyond just being a fast friend. **

It's important to consider the specific actions and behaviors of your friend in order to determine if they are a bad friend. Reflect on whether they are supportive, trustworthy, and respectful in your relationship. If your friend consistently displays negative behaviors such as being unreliable, disrespectful, or unsupportive, it may be a sign that they are not a good friend. Ultimately, it's important to communicate openly with your friend about your concerns and evaluate whether the friendship is healthy and beneficial for both parties. **

It is possible that your friend has a best friend, as many people have close relationships with one particular person whom they consider their best friend. However, it is also possible that your friend has a group of close friends whom they consider equally important. The best way to find out if your friend has a best friend is to ask them directly about their closest relationships and who they confide in the most. **

The friend of your friend is someone who is connected to your friend but may not necessarily be directly connected to you. This person is a mutual connection between you and your friend, forming a secondary relationship through your shared acquaintance. They may be someone your friend knows separately from you, or they could be a part of a larger social circle that includes both you and your friend. **