Sylvester Stallone's 5 Kids: Everything to Know Her 24-year-old younger sister Sistine agreed, "Dating when we have the dad that we do is rough." "The first time a boy came over to meet my parents ...

Sylvester Stallone said his "biggest regret" is missing ... Now you don't have the luxury of missing — especially with the family and the kids. I find that to be my biggest regret," said Stallone.