My husband is having an affair with a young girl at my work place?

hey there i have just found out my husband has been sleeping with a young attractive cly bitchy 19 year old girl who works in my work place. the girl in my work is very attractive she has been making my life a misery she doesn't like for some reason the has a group of very attractive girls who ***** and don't like me. to day a customer came to my counter and said he needed some nail vanish remover to Take some of his nail Polish out i said I didn't have any so I asked the other girls they said i couldn't have any as they didn't have none to give me and wouldn't help .. but when i was still with the customers with customers female friend doing a makeover a leakage had occurred the shop and one of the girls whilst I Was with a customer rudely anjokinglyly grabbed chair whilst i was with the customer and put it where the water was i felt so hurt and angry thenwent totto one of them and said i may need that chair back as i may have customers theyt then gave it back now i fear i have done something wrong as they may have I said iwas been rude . when my husband came to collect me he was cold and defensive i wenti nto his glove compartment to see if i can find some chewy sweets as iwas hungry he then shouted how darei look at his persoinal he said i had no respect and no consideration why dont you be with little miss perfect. I dont know what to do helpo me here