Your household presents a stark bifurcation: your personal savings rate of 39.5% is genuinely strong, accumulating £4,712 monthly against a £11,936 income, yet the joint account is haemorrhaging at -82.6% with spending of £3,802 against combined income of £2,083—a structural problem worth examining, Sir. The liquid position remains healthy at £179,174, though your investments (£131,043) trail the mortgage debt (£171,012) by a meaningful margin, suggesting debt reduction should take priority over further equity exposure until that gap closes. Your commission volatility—ranging from £18,581 average to a peak of £38,145—explains some of the monthly income swings but argues for conservative budgeting against those peaks. The real issue is the joint account; that's where your strong personal discipline is being offset. Systems nominal. Recommend reviewing joint account structure and spend drivers at your earliest convenience.