Day 1. Capilano suspension bridge and cliffwalk. Then treetop adventure, feel like an ewok. Arvo up to Grouse Mountain, see a bear and spectacular views. Down the mountain to a ferry across to Canada Place, dinner down Robson st.
Day 2. Granville Island in the morning, bike ride around and through Stanley park, Kitsilano Beach and Vancouver Aquarium in the arvo. Gastown for dinner
Day 3. Early morning sea plane taxi to Victoria Harbour, Killer Whale watch, afternoon/eve dinner downtown Victoria.
Day 4. Early rise, trip to see the Butchart Gardens. For someone the doesn't get excited about botanical gardens, I was impressed. Arvo, sea plane taxi back to Canada place, Gastown for dinner.
Somewhere in there you may get a chance to just sit and relax. Maybe.