They is no secret between two people.
More Swahili Proverbs:
If you are a flag follow the wind.Swahili
If you destroy a bridge, be sure you can swim.
Swahili
Your own small place is not like a big place of your companion.
Swahili
It is better to lose your eyes than to lose your heart.
Swahili
A stranger is like a white fowl.
Swahili
He who becomes blind in his old age does not lose his way.
Swahili