Which of the two am I to love as myself?
It is only stated that you shall love one.

And if it's you or Zachariah, why should I love either of you more than the Master who sits at the other end of the table and is not my neighbour!" "Man! that is an impertinent speech," said the disciple Bartholomew reprovingly.
"Well then, put me right!" retorted the other.
The disciple began, and tried to explain who the neighbour was, but he did not get very far, his thoughts were confused.

Meanwhile the question had reached the Master.

Who is, in the correct sense of the term, one's neighbour?
Jesus answered, by telling a story: "There was once a man who went from Jerusalem to Jericho.

It was a lonely road, and he was attacked by highwaymen, who plundered him, beat him, and left him for dead.