Last October we celebrated his birthday and he liked it.
At the next visit he told me that Jehovah doesn't like birthdays. I asked him if it is something good, when a baby is born. He said yes and I told him that likewise our heavenly Papa is happy when he was born and that he loves him very much, so birthday can't be bad (it is at this age so difficult to counteract on indoctrination and not to indoctrinate him myself).
Once I picked him up at the Kindergarten. He enthusiastically showed me their christmas tree and his eyes were shining. Then he told me, Jehovah does not like Christmas trees. I asked him: "Do you like this Christmas tree?" And he says "Yes." I just answered. "I know, Jehovah doesn't like many things."