Make it a point to do something every day that you don't want to do. This is the golden rule for acquiring the habit of doing your duty without pain.
I am grateful that there are so many things to be grateful for.
I am grateful for the holidays and to feel motivated.
I am grateful to almost be done with my exams.
I am grateful for the smell of rain.
I am thankful to take a walk by the bay during a light rain.
I'm grateful for consciousness.