They travel together because they are very close friends who have known each other for many years and Henry's father believes that it is a good idea for them to spend time together as a student and become more cultured, in addition to being distracted.
Victos' return was postponed because he had a very high fever, became very ill and had to recover to endure the trip back to Geneva. Vitor only returns when he is completely recovered, but he managed to spend a good time while he was away.
The friends were extraordinarily loyal to each other.
Explanation:
The allusion to the Three Musketeers is meant to compare that to their friendship. The story of the Three Musketeers is centered around the loyal and inseperable friendship of the musketeers
This lines could be seen as examples of sensory imaginary. More precisely it is connected to smell because of the potato and sight because of how this person is found "sitting, surrounded.." it might be said that the combination of these two images could give the reader a vision of what the writer is trying to convey.
