Because I really want to change my attitude towards it.
It has to be done. And then in a few days, it has to be done again. So I might as well enjoy it.
Some of my friends (even those with children) have absolutely spotless homes and they put me to shame.
Getting a cleaner is not an option, because although we get by reasonably comfortably, I just wouldn't feel right spending my DP's wages on something I am there to do myself (that's not criticising those of you SAHMs who do have cleaners, it's just the way I feel about it).
I have 2 DCs.