wonderful relationship with codsworth and his perk for it (Fallout 4)

achieved the best relationship with the codeword, he twice approached and praised me and then he gave me the ability, such as robots with laser weapons, to become friends with me under some conditions. But after that I met two robots who immediately began to smack at me with a laser, even though I did not touch them first. What kind of perk did the codeword give and how does it work, help me figure it out