She might, she might not become gravid. Just keep feeding and monitoring her. Even if she's underweight now, its possible for her to pack on enough weight and fat reserves before ovulation to be considered safe. One of my adult females gained 800 g in 3 months from eating like crazy in the breeding season.
What's your feed schedule like and what are you feeding? It wont hurt to feed her a little extra if she would take it now that she's had time to adjust to eating regularly again. Skinny snakes recover quite quickly when fed regular appropriately sized food.
And I understand your situation regarding your husband. My boyfriend doesn't care about my snakes either. He helps if I ask. He thinks some of them look cool. But other than that, he has zero interest in my snakes and simply tolerates it.
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