The royal couple attended a ceremony to unveil the renovated Anzac Memorial in Sydney's Hyde Park, ahead of the opening ceremony of the Invictus Games later in the day.
"Men can help as well by getting involved".
Harry, wearing khaki pants and blue shirt, with Meghan in an ankle-length striped dress, kicked off their shoes to sit with members of community group OneWave, which tackles mental health issues using "saltwater therapy, surfing and fluro".
Meghan has agreed to take lots of naps, and she thinks it is very sweet that he is anxious like this'.
The couple also laid a stunning floral wreath on the refurbished memorial, made using native florals featuring bright red, yellow, orange and pink flowers.
The memorial extension, funded by the commonwealth and NSW governments, is the centrepiece of the state's Centenary of Anzac commemorations to mark the 100th anniversary of the ending of the First World War this year.
Harry later unveiled a plaque.
We're still wishing that Prince Harry wore a neon ensemble.
Later, the couple will meet Prime Minister Scott Morrison and leader of the opposition Bill Shorten.
The Sussexes then looked at the walls which contained soil from 1701 spots across New South Wales, representing every town, suburb and district from addresses of those who had enlisted in the First World War.
The pair received a tour of the memorial and the new education and interpretation facilities.