Complex sentence: He never goes on a vacation because of his father, who owns the store they work in; both appear to enjoy making money and upon Manolito suggesting closing shop and go on a vacation for a few days, his dad appeared to have fainted from shock.
Split into simpler sentences: He never goes on a vacation because of his father, who owns the store they work in. Both appear to enjoy making money and upon Manolito suggesting closing shop and go on a vacation for a few days, his dad appeared to have fainted from shock.