Can one say:
1-There wasn't enough of the theatrical in him to commit suicide.
instead of:
2-There wasn't enough of the theatrical in him for him to commit suicide.
Can one say:
3-There wasn't enough motivation in me to follow them.
instead of:
4-There wasn't enough motivation in me for me to follow them.
One can.
One is not sure that one gains much by doing it, though.