When we are sad we can share our views and disputes with them.
they also act as a bodyguard .
they oftenly seen loyal towards their master
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i will try to add 
now added some more pts u may check n reply
ya now good..
pls give ratings
Yes they r useful to us. E.g.- Dogs guard our house. They don't let strangers come in. They r faithful towards their masters. Cats eat up mice and they r also very sweet. Hope I helped u.. Plz mark as the BRAINLIEST answer.
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Plz mark as the BRAINLIEST answer.