You know, I used to have a very serious problem doing that. I steadily turned to more adult RPs, and then I burnt out every RP partner I had. Just hang back on your RPs, keep them casual yet adventurous.
Yeah. I ended up splitting my mind, developing different characters for different emotions. Like Red for my anger or Blizzard for my empathy. I gave my Creations a foothold in me, let them develop internally. Now, I behave like Red when I get angry or like Blizzard when I feel Empathetic