Stay in Malta for a tax efficiency or move to Spain for quality of life?

M36, no children, I own a small web agency full remote. I've been resident in Malta for the last 6 years. This has allowed me to make taxation as efficient as possible and therefore accumulate in these years in which I have pushed hard with my business, while also travelling a lot. I don't like to live in Malta at all. In these years, I stayed 2-3 months in Malta, 2-3 months in Spain, and then the rest travelling. I'm tired of my business now, and I'm not pushing it anymore. I'm still making aro