My son is 4 about 4 weeks ago its as if he woke up and was not my son ! His behaviour is so bad he has tantrums for the least thing anything he does not want to do he screams he hates me and wants to put me in the bin ! He is fine at nursery its just at home if he gets told off he just laughs he thinks its funny he has started saying things like poo poo face .I dont know where all this has come from he was a lovely caring boy now its as if he is a different boy .He goes to bed at 7pm and wakes between 6-7 am .He has also started wetting himself sometimes in the day before this he was fine .I am at my wits end as to what to do.