daisy went to the beach one day
she built a castle in the sand
and the waves washed it away

she stared in shock and dismay
her tears began
and the waves washed them away

daisy needed to get away
so out the door she ran
daisy went to the beach that day

she watched the seaweed dance and sway
she watched a crab as it ran
till the waves washed it away

daisy was having an awful day
and she wondered where it began
so daisy went to the beach that day

she ran down to meet the waves
she stood there in the sand
daisy went to the beach one day
and the waves washed her away

paints a very sad picture ,but it is good

I love it. Excellent use of the "recurring theme."