On the other hand, from a woman's point of view, perhaps she was speaking only of La Châtre? Maybe he was a great lover & she thought his talents wasted on the battlefield? Or, perhaps she took a dim view of any warmaking, which takes so much life, and wanted him to only partake of the life-giving which can come from love-making, which isn't necesarily always an euphemism?

The women were always left behind to cope with everything, every aspect of daily life. If a woman felt that it took more intelligence to do thus, why shouldn't she declare so and brag to or of her lover, perhaps in an attempt to delay or stop his leaving for what she might think was futile/puerile reasons?

Just some thoughts. Here's a somewhat related quote:

Making peace is harder than making war.