Interstellar Farming Little Queen

Once time travels, it's fine to become an "ancient man", and even to be "retired", and that's all, but he has to bear huge debts, do you really think he is a fool?I don't show off my power and treat him as a sick cat.What?Under the environment of the interstellar era, his "intelligent brain" can only farm?As for high-tech, I don't know it at all. Well, he can become a small farmer, but...why is it so difficult even for this profession? Everyone cultivates without soil, but he belongs to land-based production. "Master, a person has been planted in our field." The system joyfully asked for credit. "Really grow people? This system is against the sky." A certain farmer said with his chin propped up. "You are my chosen princess." The man picked up a certain farmer, turned around and fled. "..."