There are many definitions of the Life Partner in the sastras.

Positive Aspect

A minister in deeds
A servant in all affairs
Beateous as Laxmi
And patient as Mother Earth

Karyeshu Mantree
Karaneshu Dasee
Roopeshu Lakshmee
Kshamaya Dharithri

Sneheshu Matha
Sayaneshu Veshya
Sat Karma Naree
Kula Dharma Patnee

In love like a Mother
A prostitute in bed
Is the wife defined
In the Sciences Eighteen

Negative Aspect

Vivada sheelam
Swayam Artha chorineem
Paranukoolam
Pathi dosha bhashineem
Agresineem Anyagraha praveshineem
Bharyam thyajel
Putra dasa
Prasoothika


Argumentative
Stealer of pelf
Siding with others
Criticiser of hubby
Entering other's homes
Such a wife
Must be renounced eternally !