I have close relationship with my former teacher. Should I make a move?

The situation is the following: When I was a student at the Uni, I had a crush on my language teacher. Back then I was 20 and she was 30. During the last year of Uni we had a very good teacher/ student bonding and connection. We used to talk about things we like, she used to invite to the theater and the 2 of us went to concerts a couple of times. It was purely platonic. I felt that I had a crush on her and suspected that she also felt something towards me but we left it at that. 10 years later ( I am 30 and she is 40) , coming to my hometown where I assumed she would still be, I texted her and invited to meet. She eagerly agreed, we had a beautiful long walk along the beach and for those couple of hours the world around us didn’t exist, we talked a lot about our lives , she was very interested to know about my life , asked a lot of questions and shared a lot of personal things as well. I felt like we were old friends, open to each other, trusting each other and the feeling was absolutely great. After that 1 time walk I couldn’t get her out of my head, my thoughts were only about her. I had been debating myself whether I should make a move on her and decided to take a risk, feeling that the feelings might be mutual. I sent her a message, trying to be extremely polite and respectful saying: “what I am about to say might make you angry, you might hate me or never want to talk to me again, but as a grown up to a grown-up I cannot wait for 10 more years to say it: I deeply respect you, highly appreciate you and I like you a lot.” Her response was :” There are no people who I feel hatred towards to, I expected something really awful to be said from your side- I exhaled. Thank you for your kind and loving words, I really like you as a person as well, you didn’t break my personal boundaries, I was very happy to see you after 10 years and I hope I will see you next time sooner than in 10 years. With love and respect, X”. After that message I could understand how to interpret her words- did she get my idea of a romantic confession to her? If she did - was she trying to be polite not to offend me by saying “I like you as a person” or was she trying to set some healthy platonic boundaries like they were before? I am really into her and want us to have a relationship. I feel that she also feels something towards me but cannot quite get in which way. I’m trying to make sense thqt she invited me to the theaters when I was her student and agreed to meet now not “just because”. She is single. Please share your thoughts and advice 🙏🏻