Don’t make personal decisions based on social pressure; she might be lying for reasons of low self-esteem
It seems to me that there was an initial lack of trust between the two of you, which demanded giving up each other’s online privacy by sharing passwords.
Don’t take any decisions before thinking of your children’s future
There are four important things to remember
Ask her calmly what she needs from you
Believe that the failure was not your fault; try online dating
Changes are hard but they are inevitable in life. They can stoke insecurities in us all.