i mean when i'm not talking about places or time like in these examples: Using "on":
On that subject she was adamant.
His contemplative regard fell on Carmen
It's about time you spent some money on yourself.
Pressing on the scar, he winced.
Now with "in":
He was such a wonderful person in so many ways.
As it came to a stop the conductor called out in a loud voice.
He put a spoon in her hand.
Somehow it simply wasn't top priority in her life right now.
"It's okay," he said in a flippant tone.