Complex sentence: On May 10,1843, after seven years, Longfellow received a letter from Fanny Appleton agreeing to marry him and, too restless to take a carriage, walked 90 minutes to meet her at her house.
Split into simpler sentences: On May 10,1843, after seven years, Longfellow received a letter from Fanny Appleton agreeing to marry him. Too restless to take a carriage, he walked 90 minutes to meet her at her house.