SO more interested in video games than sex

Hey girls, anyone out there who is dating or married to a gamer with a low libido? I've been with my guy for over three years and I want to know how to light the fire again. My SO and I only have sex about once a month and my libido is way higher than his. We've talked about this but it seems like the only thing I can do is be aggressive when I want sex but I don't like doing that and it only works 50% of the time. Any suggestions?