If Chen Li voiced such a question to Lu Qingfeng, he would tell her straight up that Su Xiaofei was the only woman he could be with and there would be no other. Perhaps for someone, it might sound like an obsession, but he didn't care, as long as he was able to protect her from everyone, including himself.
If one day he realizes that he poses a threat to Su Xiaofei, Lu Qingfeng would force himself to retreat, no matter how painful it would be for him.
After living three lifetimes, he wouldn't be surprised if he had truly lost his mind at some point in time. In his previous life, he was willing to let go of Su Xiaofei if Mo Yuchen was going to treasure her and love her more than he could ever have.
Alas, just like in his first life, Mo Yuchen was a selfish bastard whose eyes were only coveting Yun Qingrong's possessions again.