20 weeks and 2days &irriated

seems like everything and almost everyone irriates me. especially when my brother in-law visits he likes to irriate my youngest I know nkt his fault he deaf and has somewhat child like mentality even my own family irriates Me or even stranger's I never been so irritated while pregnant I feel like awful person cause he will laugh at my oldest and she has genetic disorder so she ends up angry at me and hides til her dad home. this pregnancy is so damn exhausting I cry so much then my blood pressure goes up and Down