Interestingly, he says the majority did not rely on Griswold's privacy right; he says they decided that no legitimate state interest was shown.
I do not know what "acting in private" means; surely consensual sodomy, like heterosexual intercourse, is rarely performed on stage.
LOL
kennedy's opinion also decided that no legitimate state interest was shown in this case (if you read it).
from the last page of kennedy's opinion:
"The Texas statute furthers no legitimate state interest which can justify its intrusion into the personal and private life of the individual."