Yes, rosehip tea is considered healthy as it is packed with vitamins, antioxidants, and minerals. It is known to boost the immune system, improve skin health, and reduce inflammation. Additionally, rosehip tea is caffeine-free and can be a good alternative to traditional teas for those looking to reduce their caffeine intake. **

As an AI, I do not have personal preferences or the ability to taste food or beverages. However, rosehip tea is known for its health benefits and unique flavor profile, which many people enjoy. It is often praised for its high vitamin C content and potential immune-boosting properties. **

Horses can eat rosehips, but it is not recommended for them to consume the seeds inside the fruit. Rosehip seeds contain small amounts of cyanide, which can be toxic to horses if consumed in large quantities. It is best to remove the seeds before feeding rosehips to horses to avoid any potential health risks. **

The rosehip tea doesn't change color because the color of the tea comes from the dried rosehips themselves, rather than from any added ingredients that might cause a color change. When the rosehips are dried and steeped in hot water, they release their natural color and flavor, resulting in a rich, reddish-brown hue. Since there are no other ingredients that would cause a color change, the tea remains the same color throughout the steeping process. **

Many people have reported positive experiences with using rosehip oil for the face. It is known for its hydrating and nourishing properties, and can help improve the appearance of scars, fine lines, and wrinkles. Additionally, rosehip oil is rich in antioxidants and vitamins, which can help protect the skin from environmental damage and promote a more radiant complexion. However, it's important to note that everyone's skin is different, so it's best to do a patch test before using rosehip oil on the face to ensure it doesn't cause any adverse reactions. **

The weird thing on the rosehip tree is most likely a gall, which is an abnormal growth caused by insects, mites, fungi, or bacteria. Galls can vary in appearance and size, but they are usually round or irregularly shaped growths on the leaves, stems, or branches of plants. Galls are typically harmless to the overall health of the tree, but they can be unsightly. **

Rosehip tea was commonly found in youth hostels in the past because it is a rich source of vitamin C, which was important for maintaining good health, especially during the winter months when many hostels were busy. Additionally, rosehip tea was often used as a natural remedy for colds and flu, making it a popular choice for travelers looking to boost their immune systems. Lastly, rosehip tea was also a caffeine-free option, making it suitable for all guests, including those who preferred to avoid caffeine. **

Drinking 1-2 liters of rosehip tea every evening may not be healthy as it can lead to consuming excessive amounts of certain compounds found in rosehips, such as vitamin C and antioxidants. Consuming too much vitamin C can cause digestive issues like diarrhea, while excessive antioxidants may have adverse effects on the body. It is recommended to drink rosehip tea in moderation and consult with a healthcare professional for personalized advice on daily intake. **