Baby brings his own shopping mall to travel through

Why do I have to bring my own food when I travel through time? My brothers drooled at the bowl of milk powder and said, "Give it to me." I got ten cans of milk powder and I can drink as much as I want. No food? No worries, I have chicken, duck, fish, meat, and vegetables. No water for crops? No worries, I'll open the fire hydrant and deal with it first. My brothers study, practice martial arts, and do business, I support them in everything. ...