any help or advice appreciated..
My golden boy is changing.. he is becoming somewhat challenging.. he isn't a bad boy, he is very popular at school, the kids in his class look up to him to see what he is doing, the girls love him (apparently he is the class heart throb lol)
He behaves in class, I see notes in his school diary every once in a while from the teacher with very mild criticism or some notes of encouragement, the worst was "being silly in the school line up"
I cant complain that way.. although at home, he is becoming very moody, wont listen on the 1st, 2nd, 3rd time.. even the 10th time - by this point I am screaming at him and him screaming at me..
Morning times, getting up and out to school are stressful as hell.. but then out of the blue, he will get up 1st shout, make his bed, put out his breakfast and get dressed all by himself.. in which I praise him enthusiastically (*see! how nice was that son? I am very proud of you, how nice was it for us all to get dressed without anyone screaming at each other? he agrees and says he will continue to do so, but... take that with a pinch of salt lol)
He goes in and out of character several times a day.. he is helpful one minute and im pretty sure planning my murder the next lol.
He becomes unreasonable, angry, frustrated, lashes out, tries to get his sister into trouble (she is 4 yo and at the minute, very very sweet and funny) tells tales, exaggerates, falls to the ground like he has just taken a blow to the chest when asked to do something..
I've tried changing my parenting tactics many times, ranging from the obvious - going off like a raving loonatic - to sitting down calmly and chatting to him (the latter usually being after the 1st one has taken place 
)
he also cant mix with my step siblings kids, my SS has 3 boys all aged 1 year apart, 9,8 & 7 - I know.. shes crazy..
my SB has 1 boy aged 7, when my son is around them he turns into a nutter! he becomes boisterous and cheeky to his elders.
Ive previously stopped him from mixing with them but I dont think this is the answer.. he also doesnt mix well with my friends son, also 8 yo, Im beginning to think that its MY son thats the problem..
Do you think this could be hormonal changes he is going through? He is very tall for his age, and has started to whiff of what he calls "burger pits" 
I have bought him some body spray and aftershave, we manage to keep it at bay, I did think he was a bit young for this to be happening already though..
From one mother to another... HELP!!