Of All the People to Ask
While it’s not necessary to be enemies with your ex, it’s also not totally unusual to end on good terms. This is because sometimes people break up for non-malicious reasons. But if you had asked someone for money, would it really be your first choice to go to your ex?
In addition, if the person requesting this favor can’t afford dog food, they may have a bigger issue. Although we are aware that pet food can be costly, not being able to buy it suggests there’s a greater problem.