'Go non-contact' on the basis of a trivial incident.
'Book yourself a spa weekend and leave him to look after the kids'
- yeah because leaving your young children with a drunk and hungover partner who has neither inclination or mental faculties to look after them whilst you sit miserable and alone in a spa will be brilliant and sort everything else.
Landlord dragging feet over repairs? - 'get a workman in to do the work and get then send the bill to your landlord'
-Because once the tradesman discovers you don't actually own the house, but will be forwarding the bill to a landlord who has shown no interest in fixing the problem and in all likelihood they won't see a penny for their work, they'll be queuing round the block for that job. Plus it put the poor sod at risk from eviction.
'Check your partner's phone/email'
-As if this was a consequence-free course of action. I've never cheated, but if I found a partner checking up on me and monitoring emails/phone calls/text messages, it would finish the relationship there and then.
That you acquire rights as a common-law wife if you live with someone for a set period of time.