Personification and Enjambment.
The line "and my skin has betrayed me" implies that his skin has literally committed an act of treachery against him, which is something only a human can do; a human quality.
Each of the lines are actually a continuation of a sentence, and only come to a full stop until the end, thus enjambment was used here.
Answer:
yes it still exists today
Explanation:
tennis never stopped
All are correct for 1#, third one in 2# is correct