Sun square Mars (orb 4.1°) creates concrete friction between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Here, Sun in Cancer in House 6 brings identity, ego, father figure, visibility, and direction into House 6 (daily work, technique, and bodily discipline), with Cancer style (memory, protection, belonging, and family sensitivity); Mars in Libra in House 9 brings action, courage, competition, and effort into House 9 (vision, belief, study, and wider horizons), with Libra style (relationship, balance, negotiation, and sense of form).
Concrete friction: this aspect creates visible tension between ego, father image, and action: will can feel attacked, blocked, or forced to prove strength, sometimes through a weak, absent, inhibiting, or castrating father image. Visible angle: Sun near the Descendant (orb 5.8°) touches an angle; this aspect is easier to notice through direct relationships, partners, opponents, and the way others are met. House 6 (daily work, technique, and bodily discipline) is in friction with House 9 (vision, belief, study, and wider horizons); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.