Depends what mood she's in...
I love tomatos and tomato sauce is meant to be particularly high in a phytochemical called lycropene. Lycopene gives tomatos and other red vegetables their red pigment and is believed to have anti-cancer properties, of the prostate inparticular. However, since lycopene accumulates in the testes and adrenal glands as well as the prostate, it might be exerting some or all of its anticancer qualities by lowering serum testosterone and DHT in these areas. Which unless you have prostate cancer is possibly not a good thing if you overconsume and you are a natural athlete wanting to increase test.
I like both, or sometimes neither, but I would use red in moderation because it might lower test.
I'll also happily gloop Tesco Value tomato sauce or fancy smancy Heinz, because they taste a little different perhaps, but not worse.
Brown on soss's, nowt on bacon unless it's water injected crap
Red on fish finger butties,
Does anyone else detest that garlic pizza sauce they give away with Papa John's pizza? Ruins a perfectly nice pizza and should come with a warning: warning this sauce will seriously ruin your £20 delivery and make you unhappy.