@ManOnWheels Man this generation is far far far... open...
If she is 18+, she is not a child she knows what she is doing (Although today's children are more naught than adults) . Enjoy with her, please her make her happy.
As @SnapDragon44 uncle said, if this is serious kinda relationship you will have to face a lot of questions and you will have to dealt with that alone, so think abt that. But if it a temp then just go and break those walls. Make her happy, take care of her, love her, do anything she says. Don't care about this fucking indian society.