ds1 is 9 and ds2 is 6 and they are constantly arguing.
ds1 has always seemed intent on putting ds2 down and getting one over on him and now ds2 is behaving in a similar way, i think he has just got sick of it and become equally as bad.
It's now happening at school aswell. One has stuck their tongue out as the other passed etc.
I just don't know what to do, everywhere i go i end up embarassed and every fun family outing is being spoilt.
help!