If you're talking about the part towards your thumb, then you've probably got a callus forming.
If you're talking about the tip, then go and see the doctor. Might be RSI.
you will never build motor co-ordination. your life will remain unco-ordinated, your soul lost in this dystopic, unco-ordinated reality. this is your fate OP.
There was once a european historian who was gaoled for writing a book which either denied or questioned the holocaust. Does anyone have any information...