For decades, the rules were simple: if you wanted to bring your unmarried partner to the UK, you had to prove you had lived together for exactly two years. No gaps, no excuses. It was a tick-box exercise. If you had the utility bills, you passed. If you didn't, you failed. But following the seismic changes to Appendix FM in late 2024 and their full, chaotic implementation in 2025/2026, that...