Most of us lose the passion for it after doing it for awhile. Don't focus too much on whether you still love it or not. Where else are you going to find a 6 figure job that pays you to stare out a window? You may find something you think you like better, but eventually everything becomes a job.
Mike Rowe from Dirty Jobs gave a good speech about NOT following your passion. I believe this is the transcript of it, but you can also find the video if you search Mike Rowe Passion.
Mike Rowe's must-read response to an Alabamian who asked why he shouldn't follow his passion - Yellowhammer News