i feel ridiculous asking this, but have been trying to put some tips on my sisters nails tonight ,did all the prep sized the tips ,then tryed to glue the tips on, they would not stick:irked: did it at the right angle and everything, then tryed another finger that was the same would not stick, i am useing creative glue and tips, what has gone wrong realy upset:cry: and embrassed:o had to end up puting everything away ,because it has took me so long messing around trying to glue on a tipcan anyone tell me what iv done wrong?can glue stop sticking ?it new only opened it tonight