How Do I Face Him When He Gets Back? Should I tell Wife Abou Past Month? Said he was honest about us but doub

Everything now. Aftr 2 yrs recent found love of my & my sons life is MM with kids. Wife called, dropped bombshell. Devastation! could not eat, sleep, take care of my son. put on tablets & lost job for time off. Total distruction, he was our whole world. said didnt tell me - 2scared 2loose me & loved me & son. Sent him home2sort things with his wife. killed me as i love hm. After 1month he left her. Said tried 4 sake of marriage as i askd but cant live a lie 4rest of life. Wife confirmed problems& that he had not slept with her 4 2yrs we had been 2gether. Said he had lft her b4 but came back because of family & religous pressure. Knws he doesnt love her but she loves him & has his child. Said she filed 4 divorce & he has lived on his own 4, 6 mths now. Said wants 2marry me, Im his soul mate & brght me 2 his religous leader & his muslim family. Believed him. Opened my heart & Spent past mth 2gether, now found out he gone hols with her. What 2 do whn he gets bk? Do I tell her? Lied agn?