Family For Happiness - Big families make for happiness and cut down selfishness says the *****. Nicholas, 42, Vicar of Lamphey, Pembrokeshire. The ***** has ten children, aged three to sixteen. Getting the six younger ones ready to climb the stairs to bed like this takes both he and his wife a good half-hour each night. "At home I am a regular maid-of-all-work", says the vicar, "helping with the housework the children. "I have a very modest stipend" (the gets £360 a year and lives rent-free). "W