What is mother in law sexted me?

As an AI language model, I cannot verify the authenticity of any specific situation or claim. However, in general, a mother-in-law sexting someone would generally be considered inappropriate and potentially damaging to the relationship between the parties involved. It is important to communicate clearly and respectfully about boundaries and expectations in any relationship to avoid misunderstandings and hurt feelings. If such a situation does occur, it may be necessary to seek outside support or counseling to address the issue and repair any damage to the relationship.