Well he got sacked by the Dragons for common assault on his partner(Anna) when he was 19. Maybe the roles have reversed(Psychologically)? Reminding him of it everyday? Ok, just guessing. But by the sounds of it. It's something she'd do.
I read somewhere their failed bitcoin venture was all her idea.
Addin had lost millions or a mil of his own money.
The same with her cookie business. Addin had pumped alot of money into it.
I don't think he's unhappy with the club. He's just living with a vindicate money leach that's making his life hell & controlling the narrative. There's enough evidence on the web to suggest this.