We are confident if only because we are making progress. (a minor, minimal reason – This implies that much more needs to be done.)
She needs a job if only because she needs something to occupy herself everyday. (a minor, trivial reason)
Give her praise if only because she has shown up to school on time everyday. (a minimal reason)
She visits the cafe if only because she wants a bite to eat.
She married at thirteen if only because she needed a roof over her head.