They are not very compatible, so I don’t know why they’re still together.

5'

Sometimes people just click as soon as they meet.

4'

Her hubby helps her around the house with all of the chores. 

4'

敲黑板
compatible 能和谐相处的;合得来的
click 与某人顷刻成为朋友、一见如故
hubby=husband   wifey=wife   hubby和wifey都是非常口语化、不正式的说法
help around the house 帮助做家务
chores=housework 家务

12'