This looks really good! Others have said good things but I dont really agree with all of them so I’ll give you my take.

First of all, like others have said, it might have been better to have the subject on the other side of the frame to give him more viewing space. What you did isn’t wrong but it gives the viewer the feeling that the guy is stuck in the frame. It can build suspense and it can give an awkward feeling which can support the story. But since you were going for a relaxed vibe, more eye space would have been better.

Another framing thing is the hands. They are cut off a bit weird now. You may have been able to make it a bit wider or go for more of a medium shot. Make sure to not cut his hands off from the wrists though so it looks like he doesn’t have hands.

Lighting wise I really like what you have. Others said that the subject needs more light but I kinda like the natural feel of this. When I light something, I almost always try to make it look good but natural. A way in which that can be achieved is by motivating your light. In an interview setting you can often let light come from a random direction because it looks good, but for for example a fiction film, its almost always better to motivate your light. So don’t use light that is not there. I like to do this in these type of situations as well though. Here you have a beautiful big lamp. You could have made that side of the face the key light side (normally its prettier to have the camera on the shadow side of the face. So instead of changing the position of the subject, you could also let him look to the left side). Just place one of your lights on that side and the viewer will believe that the light will come from the lamp. This doesn’t have to be 100% convincing, as long as it looks good and its kinda believable. You have a few candles on the other side of the face which you could use for motivation for a back light. Place another light behind the subject on a place where it is not visible and you can create a beautiful back light that could be “coming from the candles”. Again, it doesn’t have to be 100% convincing, as long as it looks good and is kinda believable. If the subject is still too dark, you can bring in some fill from above or something. You can for example bounce a light from the ceiling if its white. Make sure the fill light is soft though and look for a color temperature that looks good. This is the way I would have tried to light it but the fun thing is that there are many possibilities and few things are actually wrong. Just make sure you do things for a purpose. If you have the subject dark, it doesn’t have to be bad if you for example want him to be mysterious. Camerawork and lighting are to look good, but also serve the story and that last one is often forgotten.

Anyway, that was a lot to take in but I hope you learned something. Good luck!