Taking on the Role of a Daddy to My Girlfriend

I've been dating my girlfriend for over two years now, and recently we decided to explore some DDLG dynamics in our relationship. It's something I've always been interested in but never acted upon until now. We talked about it at length beforehand, ensuring that both of us felt comfortable with the concept and agreed on boundaries and expectations. She’s quite open-minded and playful, which made this transition smoother than expected. To give you some context, she's in her twenties and has expressed a desire to regress into a more childlike state for certain activities we do together. I adopted the role of Daddy, no pun intended, and it has been incredibly fulfilling. It’s not just about calling her ‘kitten’ or buying her clothes; it's a deeper emotional connection where she looks up to me for guidance and affection, while I provide stability and discipline when needed. We’ve had some playful arguments, but they quickly turn into a fun game of role-playing and making up. She’s quite imaginative and often takes the lead in coming up with scenarios we can explore together. It has definitely added another layer to our relationship that feels both exciting and emotionally satisfying. I am wondering if it's normal for me to feel such pride in being her Daddy, guiding her through these new dynamics. Am I overthinking things or is this a common feeling among those who step into leadership roles within DDLG relationships? Your thoughts would be greatly appreciated.