Nha, twobit is probably overstating things a bit. Parent simply generate a specific amount of irritation. This may vary by time of year and similar factors but it is generally quite steady. As you get older you will start to get away from them for longer times. However irritation can not be disposed of without your presence, thus there will be a large amount of surplus irritation when you do see them. Thus prolonging the time you will take to visit them again, creating a never-ending spiral.