Perhaps you forget that your Master is one among that 'group of people'... As were most of His immediate followers.
Do not boast against the branches.
They decided to speak to the Head Rabbi. They explained the situation to him and he said the exact same thing happened with my son. He spent a year in Jerusalem and came back Catholic.
The three men decided to talk to God.
The Head Rabbi explained to God how there three sons had spent time in Israel and all converted to the Catholic Church.
There was a long pause and God said" Ya know the exact same thing happened ......."