A Aries brings impatience disguised as passion, the need to be first, starting fires you will not tend. A Sagittarius brings honesty weaponized, commitment phobia, restlessness sold as freedom. Put those two together and the friction is not a mystery, it is arithmetic.
You confuse motion with progress and call it drive. Mars rules you, so you charge, and you mistake the charge for courage even when it is just an exit. Merciless says what your friends will not: you start because finishing means being judged. Meanwhile, sagittarius energy does the opposite: You call running away a love of freedom and call cruelty just being honest. Jupiter makes you expansive, and you expand right past anyone who asks you to stay. Merciless names it: the horizon you chase is the thing you use to avoid arriving.
Sun-sign compatibility is a parlor trick. What actually decides Aries and Sagittarius is the synastry between your two full charts: where their Venus lands on your Mars, whose Saturn sits on whose Sun. Merciless reads the real inter-aspects and tells you the dynamic you both keep pretending not to see.
Two birth dates. One brutal verdict on what happens between you, free. The half about them is theirs to unlock.
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