Sample Compatibility Synthesis

Romance — 78% overall

The short version. A warm, magnetic match with real staying power — the pull is immediate and the long-game is strong, but the emotional wiring runs at different speeds, so this works best when you name what you need out loud.

What each brings. Jane brings steadiness, loyalty and a builder's patience — she's the one who turns a spark into something lasting. Marcus brings momentum, optimism and a sense of adventure that pulls Jane out of her routines. Where her Earth grounds his Fire, his Fire keeps her from getting stuck — a genuinely complementary pairing.

The friction. Emotional security (66%) is the soft spot. Jane needs reassurance and a predictable rhythm; Marcus moves fast and can read her need for steadiness as a brake. Neither is wrong — they're just calibrated differently. When stressed, she withdraws to think and he pushes to resolve, which can leave her feeling chased and him feeling shut out.

How to make it work. Schedule the steadiness Jane needs (a standing weekly anchor) so she isn't always asking for it, and let Marcus lead the novelty. In conflict, agree on a 20-minute pause: she gets her think-time, he gets a guaranteed return to the conversation. Do that, and the 66% climbs fast — the foundation underneath it (80% long-term build) is already strong.

Timing. Their good years overlap most in the next two to three years — a favourable window to deepen commitment rather than test it.

Friendship — 85% overall

The short version. One of those friendships that just works — deep trust, easy energy and fierce loyalty. The only thing to watch is balance: it can quietly tilt toward one of them giving more.

What each brings. Jane is the dependable one — she remembers, she shows up, she holds things in confidence (trust 88%, loyalty 90%). Marcus is the spark — he initiates, brings people together and keeps the friendship from going stale. Together they're the pair other people want around.

The friction. Give-and-take (71%) is the one to mind. Jane's instinct to take care of people means she can end up carrying more — booking the plans, checking in, smoothing things over — while Marcus coasts on her reliability without noticing. It rarely blows up; it just slowly tires the giver.

How to make it work. Marcus should initiate roughly as often as Jane does — and say the quiet thank-yous out loud. Jane should let some things drop instead of always catching them. Name it once, lightly, and this friendship runs for decades.

Business — 74% overall

The short version. A strong founding pair on paper — their skills slot together and the ambition is real — but they decide and spend differently, so this needs clear lanes and clear rules before it scales.

What each brings. Jane is the operator: structure, follow-through, the one who makes the thing actually run and ships on time. Marcus is the front: vision, sales, relationships, the one who opens the doors. That's an 86% complementary fit — genuinely two halves of a whole.

The friction. Decision-making (64%) and money (70%) are where partnerships like this crack. Marcus decides fast and spends to grow; Jane wants the numbers first and protects the runway. Under pressure, he'll feel slowed down and she'll feel exposed — the classic visionary-vs-operator tension.

How to make it work. Split decision rights explicitly: Marcus owns growth, sales and the outward bets; Jane owns operations, finance and the standards. Set a spending threshold above which both must agree, and review the numbers together on a fixed cadence so money never becomes a surprise. With those rails, the 86% strengths fit carries the partnership — without them, the 64% will keep tripping it.

The honest note. Their drive is well-matched (81%), which is the rarest thing to find in a co-founder — worth building the structure to protect it.