In your kundli,the subjects to be considered from 4th house are - happiness, land. conveyance, a reservoir, tank, well, agricultural land, close friends, mother, chest, dwelling place etc. If 4th house be aspected by or associated with benefics and lord of 4th be posited with strength in 4th, then beneficial results would accrue from it. If a powerful Sun and Mars he posited in 4th, the native suffers from ulcers caused by excess of Pita (bile).