Richard Zen:
A sense of self comes from likes and dislikes and a feeling of "mine".
I would find the things you like to do and just relish in them.
I also would look to Shinzen Young and other instructors that are experienced because they probably see this all the time.
Sounds good. Or go walking with bare feet on the grass, focusing on the feet. Do some gardening, lay some bricks, whatever..
When I used to do vipassana, I'd wake up in sheer panic in the middle of the night, feeling as if I was on the brink of dying. When this would happen, I would find myself instinctively patting my body all over repeating "this is me", which helped.