请用30个词概括这个故事的内涵
Inadditiontoteachinghere,Ialsoteachatasmallerhighschool17milesdownthefreewayfromwhereIlive.OnedayafewweeksagoIwasdrivingtothatschoolwhenmycarbrokedownjustafterIexitedthefreeway.IwasonlyaboutaquarterofamileawayfromtheschoolsoIgrabbedmybooks,andstartedwalking.
"AssoonasIgotthereIcalledarepairmantomeetmeatmycarafterclass.Oneofmycolleaguesaskedmewhathadhappened.'Thisismyluckyday,'Ireplied,smiling."
"'Yourcarbreaksdownandtodayisyourluckyday?'Shewaspuzzled.'Whatdoyoumean?'"
"Ilive17milesfromhere."Ireplied."Mycarcouldhavebrokendownanywherealongthefreeway.Itdidn't.Instead,itbrokedownintheperfectplace:offthefreeway,withinwalkingdistanceofhere.I'mstillabletoteachmyclass,andI'vebeenabletoarrangefortherepairmantomeetmeafterclass.Ifmycarwasmeanttobreakdowntoday,itcouldn'thavebeenarrangedinamoreconvenientfashion."
Ioncereadsomewherebeforethateverymorningwhenyougetup,youhaveachoiceabouthowyouwanttoapproachlifethatday.AndthisiswhatIchoose——tobecareful.
根据原文打上来的,可能有一些错漏,不过不影响.