if you lie down with dogs, you will get up with fleas
If one spends time with bad people, one will suffer in some way (often by becoming like said associates). I worry about my brother hanging out with all those troublemakers—if you lie down with dogs, you will get up with fleas, you know?
If you lie down with dogs, you will get up with fleas.
Prov. If you associate with bad people, you will acquire their faults. Granddaughter: It's not fair. I'm starting to get a bad reputation just because I'm friends with Suzy and she has a bad reputation. Grandmother: It's only natural. People think that if you lie down with dogs, you will get up with fleas.