Going to space has some problems:
1. **Health Risks**: Being in space for a long time can hurt your body. Your muscles and bones might get weak, and you could get sick more easily.
2. **Cost**: Space travel is very expensive. It can cost billions of dollars to send people into space.
3. **Isolation**: Astronauts are far away from their families and friends for a long time. They might feel lonely.
4. **Danger**: Space is full of dangers like radiation and micrometeoroids. These things can harm astronauts and their spacecraft. Something going wrong could lead to disastrous outcomes.
5. **Limited Resources**: Astronauts have to bring all their food, water, and air with them. Astronauts forgetting to bring something or bringing to little of something can have consequences.
6. **No Gravity**: While it might sound fun, living without gravity can be hard on the body. It can lead to muscle and bone problems. The longer you stay in space, the more weak your muscles and bones get.