There are 4 types of devotees as per Bhagavad gita.
1)One who worships god only in trouble.
2)One who always worships for his needs and Luxuries
3)One who worships as he is just enthusiastic to know God but implements none of Gods teachings.
4)One who worships feeling it as his responsibility and duty.
Lord Krishna said there is no difference between me and 4th type of Devotee.