Sun square Mars (orb 1.7°) creates concrete friction between the two planets. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, Sun in Sagittarius in House 3 brings identity, ego, father figure, visibility, and direction into House 3 (speech, learning, and the close environment), with Sagittarius style (expansion, travel, belief, and the search for meaning); Mars in Virgo in House 12 brings action, courage, competition, and effort into House 12 (retreat, contemplation, long time, and possible confinement), with Virgo style (precision, method, usefulness, and attention to detail).
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 IC (orb 3.8°) and Mars near the Rising sign (orb 1.1°) touch angles; this aspect is easier to notice through private base, family roots, and intimate psychological climate; also through first impression, body language, reflexes, and entry style. House 3 (speech, learning, and the close environment) is in friction with House 12 (retreat, contemplation, long time, and possible confinement); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.