That's one thing you don't want to regift or take back, to be fair. Also, it's less creepy in context, given that she basically masturbates for a living, so it's like buying here a drawing pad in this specific case.
Still interesting that she went through to spend the money on the earnings and ended up shutting herself in the foot by basically recusing him of any culpability in regards to the idea of him being "creepy" with this because she basically admits she pressured him to buy it instead of the earnings.