The context of the following conversation is Alex kept pace with the growth of their plants by giving it water everyday for weeks.:
Alex says My plant is really flourishing. I've been watering it daily for weeks..
The friend responds How do you know when to water the plant?.
Alex responds I just monitor the plant's conditions and growth of the plant continuously..
The friend responds Plant care requires a dedication..
Alex responds Do you have any plants?.
The friend responds I don't think  that I am ready for such levels of commitment..