Are you sure mum and dad haven't seen anyone? It seems odd that they haven't had to go into clinic or have the health visitor round to see them in all this time. If they haven't mentioned it at the sessions then suggest that they do. Do this gently so they don't think you are being pushy and ignore you.
Sudacreme is brilliant for sore botties and sore anything else.
Do you feel guilty if you have a lie in??
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