The calorie expenditure for road cycling and mountain biking can vary based on factors such as intensity, terrain, and duration. Generally, road cycling on flat terrain at a moderate pace can burn around 400-600 calories per hour, while mountain biking on varied terrain with hills and obstacles can burn around 500-800 calories per hour. The higher calorie expenditure in mountain biking is due to the increased effort required to navigate the challenging terrain and obstacles. Overall, mountain biking tends to result in a higher calorie expenditure compared to road cycling. **

Whether or not you should stop mountain biking depends on your personal circumstances and reasons for considering stopping. If you are experiencing physical pain or injury from mountain biking, it may be wise to take a break and seek medical advice. If you are feeling burnt out or no longer enjoying the activity, it may be beneficial to explore other forms of exercise or outdoor activities. Ultimately, the decision to stop mountain biking should be based on your own well-being and enjoyment. **

Mountain biking is all about the thrill of exploring rugged terrain, challenging yourself physically and mentally, and connecting with nature. It's about pushing your limits, feeling the rush of adrenaline as you navigate steep descents and technical obstacles, and enjoying the freedom of riding through breathtaking landscapes. Mountain biking is also a community of like-minded individuals who share a passion for adventure and the outdoors, and it's a way to escape the hustle and bustle of everyday life and immerse yourself in the beauty of the natural world. **

Crush may exhibit signs of jealousy, such as becoming distant or acting differently when they see you with someone else. However, it is important to communicate openly with them to understand their feelings and address any concerns they may have. Jealousy is a common emotion in relationships, but it is essential to handle it with care and respect for both parties involved. **

It is difficult to determine if someone is jealous without more context or specific behaviors to consider. Jealousy can manifest in various ways, such as possessiveness, insecurity, or competitiveness. Observing how the person reacts to certain situations or individuals, as well as their communication style, can provide insights into whether they are feeling jealous. It may be helpful to have an open and honest conversation with the person to address any concerns or misunderstandings. **

I cannot answer that question as I do not have enough information about the specific situation or individual. Jealousy is a complex emotion that can be influenced by various factors, including personal insecurities, past experiences, and the dynamics of the relationship in question. It would be best to directly communicate with F to understand their feelings and address any concerns. **

Without more context or information, it is difficult to determine if she is jealous. Jealousy is a complex emotion that can stem from various reasons such as insecurity, fear of losing someone, or feeling inadequate. It is important to observe her behavior, communication, and body language to better understand if she is experiencing jealousy. Open and honest communication with her about your concerns may also help clarify the situation. **

Friends can sometimes experience feelings of jealousy, especially if they perceive that their friend is achieving something they desire or if they feel left out. However, true friends should be able to communicate openly about their feelings and work through any jealousy that may arise. It's important for friends to support and celebrate each other's successes, rather than letting jealousy come between them. Overall, while friends may experience jealousy at times, it's important for them to address and overcome these feelings in order to maintain a healthy and supportive friendship. **