Ifyoulugyourelderlyneighbor'sgroceriesuphersteps,clearlyit'sgoodforher.Butdidyouknowthatit'slikelygoodforyoutoo?Researchindicatesthatthosewhoconsistentlyhelpotherpeopleexperiencelessdepression,greatercalm,fewerpainsandbetterhealth.Theymayevenlivelonger.Doinggoodcanmakeyoufeelgood.Itmight(a)remindyouthatyou'rerelativelylucky,(b)makeyoufeelconnectedtoothers,(c)helpyoufeelneededandeffective,(d)takeyourmindoffyourownworriesforawhile,（e）makeyoufeelgenerousand（f）addasenseofpurposeandmeaningtoyourlife. 　　Considerthesetipsforhelpingothers—andyourself: 　　(a)Don'tfeellikeyouhavetomakegrandgesturesorhugetimecommitments.Sure,helpingcanmeanservingmealsatahomelesssheltereveryweek.Butitalsocanmean: 　　(b)Callingafriendtoseehowshe'sdoing 　　(c)Servingyourspousebreakfastinbed 　　(d)Lettingacarinfrontofyouonthehighway 　　(e)Smilingatastrangerinthestreet 　　(f)Holdingtheelevatordoorforyourco-worker 　　(g)Bewareoftakingontoomuch,oryou'llriskfeelingresentful.Whenaskedafavor,thinkitoverbeforesayingyes.