chapter twenty-one quiet like `` thank you , '' i mouthed to the clerk at dillard 's in park meadows mall who was handing me my bag which held six pairs of boys swim trunks , this purchase made because , in two days , brock , joey , rex and i were boarding a plane headed for aruba and i 'd found upon asking them to check that the boys were growing so fast none of their old swim trunks fit .