<prompt> Translate the following text to EnglishKama ilivyoandikwa katika utangulizi wa toleo la Loeb, Mwaka wa 45 mwaka mmoja kabla ya kuandika De Senechtute kifo cha binti yake mpendwa na wa pekee kilimfanya aendelee kuandika kwa bidii ili kusahau huzuni yake.  <response>: As the introduction to the Loeb edition says, In February 45 a year before he wrote De Senectute the death of his adored and only daughter drove him into a frenzy of writing in an effort to forget his grief. 