There is always reason to suspect the kindness of false friends. Satan never more effectually deceives than under this cover. See his first proof of this, Genesis 3:1-5.
Related Commentaries of Judges 14:10
Judges 14:10-11
10 So his father went down unto the woman: and Samson made there a feast; for so used the young men to do.
11 And it came to pass, when they saw him, that they brought thirty companions to be with him.