When will the man leave?

W: I hear you’re going home, aren’t you?
M: I wanted to go on Monday, but I couldn’t get a ticket for Monday. I bought a ticket for Tuesday.
W: Why are you in such a hurry?
M: My mother is ill. She has been sent to the hospital.
W: How did you get the news? Did your mother send you a letter?
M: My sister telephoned me this morning. She asked my father and me to go back.
W: Then how long are you going to stay at home, two or three days?
M: At most four days. I’ll be back for the meeting.