Moon square Mars (orb 1.2°) creates concrete friction between the two planets. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, Moon in Virgo in House 1 brings personal dream, play, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm into House 1 (presence, body, and the way experience is entered), with Virgo style (precision, method, usefulness, and attention to detail); Mars in Sagittarius in House 4 brings action, courage, competition, and effort into House 4 (roots, privacy, and inner foundation), with Sagittarius style (expansion, travel, belief, and the search for meaning).
Concrete friction: this aspect creates live tension between the inner child, mother image, and Mars: vulnerability, protection, or the need for safety can turn into anger, inhibition, or defense, sometimes through a weak, inhibiting, or castrating mother image. House 1 (presence, body, and the way experience is entered) is in friction with House 4 (roots, privacy, and inner foundation); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.