Today's Favorite Verse: Joshua 22:25-27
"For the Lord hath made Jordan a border between us and you, ye children of Reuben and children of Gad; ye have no part in the Lord: so shall your children make our children cease from fearing the Lord.
Therefore we said, Let us now prepare to build us an altar, not for burnt offering, nor for sacrifice:
But that it may be a witness between us, and you, and our generations after us, that we might do the service of the Lord before him with our burnt offerings, and with our sacrifices, and with our peace offerings; that your children may not say to our children in time to come, Ye have no part in the Lord."
The tribe of Reuben, Gad and half of Manasseh inherited land on the opposite side of the Jordan. This meant they were also farther away from the tabernacle in order to worship. To remember the Lord they built an altar. At first the other children of Israel thought they had left the Lord, and were not worshiping God. Probably afraid they had gone to worship false idols. After they inquired as to its meaning they were pleased.
What this made me sit and ponder on is how I don't always know why a person does what they do. You cannot assume the worst when you don't understand. It is best to seek understanding first directly from them. Then counsel can be given if needed, or understanding will come. This story is a great example of that.