“The husband has not engaged in any conduct which constitutes intentional dissipation, depletion and/or waste of marital assets,” Sylvester Stallone’s lawyers wrote in court documents seen by PEOPLE Sylvester Stallone has responded to Jennifer Flavin’s divorce filing. In Palm Beach County, Florida, court documents seen by PEOPLE on Monday, Stallone, 76, denied Flavin’s allegations that he “engaged in the …