Use; user; service to the user or benefit of a person. Dickfirson v. Colgrove, 100 U. S. 583, 25 L. Ed. 618. Inutius labor et sine fructu non est effectus legis. Useless and fruitless labor is not the effect of law. Co. Litt. 127. The law forbids such recoveries whose ends are vain, chargeable, and unprofitable. Id; Wing. Max. p. 110, max. 38.