This sentence comes from a real estate advertisement, which means that parents live not far from their children's home, and it's just not cold to cook a bowl of soup and send it there. It is convenient to visit the elderly without living together. "It's hard to live together when you meet each other well" and "each has its own space and gets along happier".
public distance: the range is 361 ~ 761 cm, which belongs to the formal distance in interpersonal communication. People at this distance can easily take evasive or defensive actions. It often appears between strangers or in formal occasions.
social distance: the closer social distance is 1.21 ~ 211 cm, which mostly occurs in personal communication, such as workplace communication and business meetings; The far social distance is 1.21 ~ 361 cm, and most formal business contacts keep this distance.
personal distance: the range is about 44 ~ 121cm, which is usually the space distance for talking with friends or daily contact with colleagues.
Intimate distance: within the range of 1 ~ 44 cm, this distance only appears between people with special relationships, such as parents and children, couples and lovers. For people who are close to each other, this distance can feel the smell and temperature of each other.