yes Saturn is lord of 3rd house of coborns and debilitated in the navamsha chart, therefore that is one big reason for you not having good relationship with your coborns. Rahu in the 2nd house also makes you irritated easily. Rahu in the 2nd house makes the person easily irritated and outspoken. You do also must be saying things when provoked. Maybe not intentionally but when you lose your mind and that may happen often. Mars in the lagan makes gives you hot temperament.
Also your Saturn Sade Satti is also going on, Doing the remedies of Saturn will help.