Mars square Pluto (orb 1.9°) creates concrete friction between the two planets. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, Mars in Pisces in House 3 brings action, courage, competition, and effort into House 3 (speech, learning, and the close environment), with Pisces style (imagination, faith, compassion, dream, and permeability); Pluto in Gemini in House 7 brings crisis, power, survival, and regeneration into House 7 (relationship, confrontation, and the mirror of others), with Gemini style (curiosity, language, movement, and mental adaptation).
Concrete friction: this aspect creates friction between Mars (action, courage, competition, and effort) and Pluto's crisis instinct: pressure can become domination, fear, or destructive escalation unless it receives a clear outlet. Visible angle: Mars near the IC (orb 2.4°) touches an angle; this aspect is easier to notice through private base, family roots, and intimate psychological climate. House 3 (speech, learning, and the close environment) is in friction with House 7 (relationship, confrontation, and the mirror of others); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.