talk to her in a nice way about how u feel
You don't. That's not your responsibility. The infidelity is between the husband and wife.
Dorian is a 9 year old girl that does not understand that her father is cheating on her mother. The mother decides she is going to fight to keep her husband but dies in an accident.
Your mother's sister's husband is your uncle, but his mother is not related to you.
When she reaches the age of majority for her state, age 18-21.
Your mother's husband's sister is your mother's sister-in-law. Her sister-in-law's husband is not related to your mother, but is her husband's brother-in-law.The most common ways of referring to him would be "my sister-in-law's husband" or "my husband's brother-in-law."
Your husband's mother's sister is your husband's aunt. She is not realted to you.
Your mother's sister is your aunt and her husband is your uncle.
Your mother's sister's husband - would be your uncle.
Mother Nature's husband is Father Nature.
Answer If the mother isn't in the picture as you say and he's single, how can you see that as cheating, who is he cheating on?
In most families she would still be referred to as your mother-in-law. If you remarry, you would introduce her as your first husband's mother.
Your mother's sister is your aunt. Her husband is your uncle.