When a person is in the water for 2 years, they would likely not survive as the human body cannot sustain itself submerged in water for such an extended period of time. Without access to food, water, and oxygen, the person would perish due to dehydration, starvation, and lack of oxygen. Additionally, prolonged exposure to water can lead to skin issues, infections, and other health complications. **

If one person has 2 apples and another person has 3 apples, together they have a total of 5 apples. **

The annual gas consumption for cooking and hot water supply in a 2-person flat can vary depending on the efficiency of the appliances and the habits of the residents. On average, a 2-person flat may consume around 1000-1500 cubic meters of gas per year for cooking and hot water supply. This estimate can be influenced by the type of cooking appliances used, the frequency of hot water usage, and the energy efficiency of the water heater. It's important to consider energy-saving practices and efficient appliances to reduce gas consumption. **

Person 2 means that it is important to prioritize self-care and mental well-being in order to be able to effectively help and support others. They are emphasizing the importance of taking care of oneself first before trying to assist others, as neglecting one's own needs can lead to burnout and decreased ability to provide help. By focusing on self-care, individuals can ensure they are in a better position to offer meaningful support to those around them. **

The length of time a person can survive in water depends on various factors such as water temperature, physical condition, and access to flotation devices. In cold water, a person can survive for only a few minutes before hypothermia sets in, while in warmer water, survival time can be extended to several hours. However, exhaustion and dehydration can also impact survival time. Ultimately, the ability to survive in water is highly variable and depends on the specific circumstances. **

Water intoxication, also known as water poisoning, occurs when a person consumes an excessive amount of water in a short period of time. The exact amount of water that can lead to water intoxication varies from person to person, but generally, consuming more than 1 liter of water per hour can be dangerous for the average person. This excessive intake of water can dilute the electrolytes in the body, leading to a condition called hyponatremia, which can be life-threatening if not treated promptly. It is important to listen to your body's signals and not force yourself to drink excessive amounts of water. **

The survival time in icy water can vary depending on factors such as water temperature, body size, and clothing. In general, a person can survive in icy water for about 15-30 minutes before hypothermia sets in. Hypothermia occurs when the body loses heat faster than it can produce it, leading to a dangerous drop in core body temperature. It is crucial to get out of icy water as soon as possible to prevent hypothermia and increase the chances of survival. **

The question "About which person do 2 dream?" is grammatically incorrect. It seems like it might be asking about the person that two individuals are dreaming about. However, without more context it is difficult to provide a specific answer. If the question is about someone specific, please provide more information so that I can give a more accurate response. **