Complex sentence: During the evening, Abe and Selma end up kissing and eventually fall in love with each other, and are unaware that they are caught by Homer, much to his dismay, as he wants his dad to end up old and lonely.
Split into simpler sentences: During the evening, Abe and Selma end up kissing and eventually fall in love with each other. This is much to Homer's dismay, as he wants his dad to end up old and lonely.