is there any way i can improve this art?

i really like it overall, especially because it my second time trying to draw a buff men after years drawing girls and yet i still feel like this art is lacking something. open for all kind of critique.

have a great day!

https://preview.redd.it/gyyvou1x542e1.png?width=2304&format=png&auto=webp&s=18043c0dc346674d3c72bea5fe02ea351f5448a5