To kiss mom from no reason, to make breakfast for partner, to create some toy for kid or to donate old clothes to charity - these little things essentially reflect our character and prove we have some will to warm the cockles of someone's heart (idiom = to provide happiness, warm sb's heart).
To come up with the excuse like: "I am as poor as a church mouse" (idiom = I don´t have enough money, I am poor) is just something ridiculous since for instance to pluck the flower is the question of few sec