The Gopis of Vrindavan had the same complaint against Lord Krishna...
When Krishna returned after a long seperation, the Gopis said, "Some people show affection to those who show affection to them; Some others show affection to even those who do not show affection to them; whereas some others (hinting at Lord Krishna) do not show affection to anyone"
Lord Krishna replied, " The reason I do not immediately reciprocate the affection of living beings even when they worship Me, O gopīs, is that I want to intensify their loving devotion. They then become like a poor man who has gained some wealth and then lost it, and who thus becomes so anxious about getting it back that he can think of nothing else."
Om Sai Ram