Involve her in the trip.
I dragged the whole family to Sooke Harbour for a 'vacation' because the townhouse/condo rentals + charter were a really good deal.
I made sure she had a tidal license with salmon tag so that she could catch crabs. mmmm crabs from the dock.
I went out on a fishing charter at 6am, came back at 9am and got my wife and 3 year old son to come out and fish for pinks for a few hours.
"FISH ON DADDY!" "FISH ON MOMMY!" as my little boy reeled in his limit of pinks.
Now she understands why I like to go fishing, but doesn't understand why I came home empty handed all summer from trips out to the Vedder.
I had to explain that it's called 'fishing' not 'catching' haha.