You shouldn't. Just give them many different opportunities, rather than hoping, that they may follow in your footsteps (which would be much more comfy for you, I know).

I hadn't been really interested in the Fine Arts (apart from literature) till I was 15 and my mother took me, and two of my best friends, to a 200 mile trip to one of the great art museums (in Basel, Switzerland) and a passion was born! Just by seeing the things, the work of the masters.