Doing double eyelids now is the same as whitening and rejuvenating!
First of all, conceptually, we should formally double eyelid this project. It is everyone's nature to love beauty, so it is understandable that your girlfriend wants double eyelids.
Secondly, technically. Double eyelid surgery has existed for decades, and this project is a routine project. In terms of safety and technology, as long as she chooses a formal institution, she can rest assured.
Secondly, double eyelids are not suitable for everyone, so whether you can make double eyelids depends on whether your basic conditions are suitable for double eyelids. You might as well let her go to the hospital to check whether she is suitable for double eyelids.
Finally, if her basic conditions are suitable, and then you don't agree with her, then you can put forward your suggestions and opinions appropriately, and both sides can discuss at the same time to get your best result!