Actor Samuel Monroe Jr., best known for his role in Menace II Society , is showing signs of improvement after weeks in critical condition, marking a turning point in a medical crisis that had left him on life support. His wife, Shawna Stewart, told TMZ that Monroe Jr.’s condition has stabilized in several key areas. Doctors have been able to stop dialysis as his kidney function improves, and blood pressure medication has also been discontinued as his levels normalize. He has also begun breathing on his own for limited periods, lasting up to four hours without ventilator assistance. Stewart also confirmed that he is now alert and responsive, able to communicate by nodding in response to questions. The progress follows a prolonged and severe health battle. Monroe Jr. had been hospitalized after complications from meningitis, which Stewart said went undiagnosed for months after he first contracted it while filming in Las Vegas.…