Had a first lesson for a new skill a few months back.
Good teacher in many ways but I got strange vibes at the end of the class for a few reasons. Messaged the teacher to say thanks but no thanks, said I had a few things going over the next few months but would contact them when things had blown over in the new year. They replied, all fine.
Teacher messaged a couple of months back to ask if I wanted to carry on with lessons. I saw the message and thought I must reply but time passed and I forgot. They then messaged again, same thing but then I forgot
I was also embarrassed I hadn't replied to the first one and it just became a bit of a cycle - burying it under the carpet! He has messaged a few times since. Latest message was yesterday and was a bit strange: he obviously knows who I am but has sent me a message as if I was someone else (friend? partner?), really chatty and asking about my day. He then messaged again today, "hey olivegardener, how's things? Fancy a chat soon?"
Should I say something? What can I say? I'm embarrassed I've let it build up to this point but then equally shouldn't he stop messaging now?