Teacher

So this teacher and I go way back to the 10th grade. I helped her grade tests, quizzes, and I would also help put them in the computer. I also did that for the 11th grade and the beginning of 12th grade. Until we had a mini argument. I told the teacher what some students were saying about her. Stuff like "oh she can't teach". But I defended her and went off on those students because they don't know what she goes through in life. She has a medical condition. We didn't talk for a week and then she texted me on messenger saying "she felt bad about what happened and she would like to talk about it". After that happened we were fine. Oh btw she added me on fb when I was a junior when you are not supposed to only if you graduated. But anyways I was in Disney and her daughter started texting me on Instagram her daughter is like 8. So the daughter really really really likes me and I asked her why do you like me so much? She's like "I got really no one to talk to on Instagram" "I barely have people to talk to" I barely go out" now I told her that I'm here for you if you need a friend to talk to. I decided to buy her a gift from Disney. I told her that she should ask her mom first. The daughter's mom said to the daughter "whatever I don't care" the daughter was upset and I told her she didn't mean it she's just going through a lot. When I came back to school, I asked my teacher if her daughter told her about me getting her a gift. She was like yeah she did sort of. I'm like I would have told you because I didn't want to go behind your back. She's like let this be the last gift because I feel bad. I then told her that her daughter told me that you didn't seem ok about me getting her a gift. She asked why, I'm like your daughter said that you said whatever I don't care. She's like no I didn't say that she probably made that up. I'm like it's not my business. I then told her I had a crappy childhood because I was sexual abused when I was a kid. I told her I was like her daughter when I was a kid. Like I wouldn't go outside, I really didn't have people to talk to. So the mom gets defensive and was like "my daughter has a stable life" I'm like no that's not what I was saying at all. She was like "Well you seemed like you were trying to say something about that" she then says "She's a sociable butterfly" " she has neighbors" "She has aftercare friends" she was getting extremely defensive. I then was like the reason I kept on getting her gifts was because I had a crappy childhood and I like to make kids smile so it makes me feel better about myself. She smiled a little bit. So I was like the reason why I told you was because I was feeling a little uncomfortable that's why I told you. She's then like "8 years olds make things up" then she's like "She's got me to talk to, her grandparents, and her other grandparents to talk to" im like "I didn't say that and you're getting very defensive". So I went up to her, left the gift on the ground and I was like " I think it's a good idea for me to not talk to your daughter anymore". She was like "excuse me what did you say"? I then repeated it and she was like "ok that's your choice" I then said ok so if she does ask, you can tell her cause im not. So for the past week I have been walking out of her class 5 mins early in front of her and she wouldn't say a thing to me. But I decided to email her which I did last Sunday which was the 11th of June. She didn't reply at all and I just found out yesterday that she blocked me on fb when I wasn't even her friend and she went on Instagram to her daughter's account and unfollowed me and blocked me. But she has a lizard account and she only unfollowed me. I'm just asking you girls/women for your opinions because you girls/women seem so great and mature and cam guide anyone in the right direction. I'm 17 btw and the teacher is 43. I'm graduating hs in a few days. So what should I do now?