他是狗而我恰好爱狗
[tā shì gŏu ér wŏ qià hăo ài gŏu]
It means 'He's a dog and I happen to love dogs.' It can imply someone close or familiar with the user is likeable yet stubborn or troublesome ('like a dog'). But also, the user enjoys such company despite (or because of) their quirks.