The threshold for sound mind is a little more stringent for an irrevocable trust than for a revocable trust or a will. As with will contests, a trust contest is typically a full-blown legal proceeding involving a trial. Breaking the trust would ultimately come down to the opinion of a judge.
A quid is a slang term for an english pound (currency not weight). Bob is slang for an old english shilling. Currently it's 100 pence = one pound. A shilling would be now worth about 5 pence today. It used to be 20 shillings made a pound.A shilling was 12 pennies.
Food and drinks for a quinceanera typically cost $10-$30 per person, or $500-$6,000 total for a party of 50-200 guests. The prices are similar to the low-end catering costs for a wedding reception. A tiered party cake typically costs $1-$4 per slice.