And how those summer visits go for the Fairmont (W. Va.) High standout will determine whether or not he decides before or after his senior season.
"I'm going to take it slow and enjoy the process," the 6-foot-4, 263-pound Stills said. "I'm going to enjoy it and have fun visits. I thought about (official visits) but I don't really know yet."
Stills is eyeing trips to Florida and Oklahoma, neither of which he visited yet, but is already deeply familiar with West Virginia.
Not only did his father, Gary, play for the Mountaineers, his brother (Darius) is a freshman defensive lineman there.
"I live 20 minutes away. I grew up around it," he said. I've always kind of been a West Virginia fan. I really didn't know anyone else other than big-name schools. I grew up watching Florida, watching LSU, but LSU offer. West Virginia has always been there. My room is painted West Virginia colors."
Stills re-iterated earlier statements about the pressure he feels to go to West Virginia, and acknowledged his mom would be be upset if he left home. He also spoke about the built-in advantages of playing close to home, which includes an easy trip to his house for holidays.
"My family is with me no matter what, but we're all hometown West Virginia fans," he said. "I grew up at West Virginia. If I do leave home, it's probably going to be one of the hardest decisions I made in my life.
However, Florida is intriguing for Stills, particularly with former West Virginia assistant coach Ja'Juan Seider now on staff.
Stills is looking to visit campus this month so he can learn more about the school.
"First, it's the academics," he said. "Academics are the big thing with my family. I want to study business, so the business (school) is important. Usually, schools talk about red-shirting and all that, but (defensive line) coach (Chris) Rumph told me I'll get that opportunity at practice.
"He didn't really tell me if I'm going to red-shirt or not. He's going to give me the opportunity practice to go against their first team, second team, third team."
Although Oklahoma saw a surprise change in coaches with the retirement of Bob Stoops and the hiring of Lincoln Riley, Stills said it had little bearing on his standing with the Sooners.
"They sent defensive linemen to the league. That's kind of my main goal, to make it to the league," he said. "I really didn't know Bob Stoops that much. I talked to him on the phone once. I'm glad I really didn't get that connection because with him leaving, I would have been link, 'Dang.' But coach Riley is stepping in and handling business. I text with him sometimes."
Even with a top three and the pressure to stay at West Virginia high, Stills said his father is on board with each of the choices.
"He just says, 'I'm with you no matter what,' "Stills said "He says, 'If you're with Oklahoma, I'm with you. If you go to Florida, I'm with you. If you go to West Virginia, my team, I'm with you.' "