Zoey is almost 8 and we got her as a couple when she was 8 weeks old and if we hug to long in front of her she always gets involved, she squeezes right in the middle, something about it makes her excited. I dont think its an issue,
Leave him be, he will adjust to the new BF and if he is naughty at night in bed, crate him. He will eventually get the message if hes naughty at bedtime, he sleeps in the crate