All day has been One Epic Struggle.
Won't bore you with the details, just the usual toddler unreasonableness.
So, tonight, when trying to get him into the bath was threatening to turn into a wrestling match, I just picked him up and sat him in it. In joggers, pants and t-shirt. He was majorly not impressed. DH thinks I am losing it 
.
I calmly walked away and got DS4.
I then read DS3 his story, he had his milk (still likes it) and we spoke about it. I can't wait to see if he will be slightly more cooperative tomorrow.