Hello, I have 4 children 2 sons who are 19 and 18, and 2 daughters who are 14 and 11. I lost my wife 4 years ago after a long term illness, it was really hard for us as a family. My 18 year old son lost his testimony at that time and we ended up arguing a lot about him coming to church and he ended up moving out to live with his maternal grandmother. I met my fiancée 2 years ago through a mutual friend she is a convert since 2015 and I fell in love with her, in January we decided to get married in the temple. When I told my children they were upset and my 18 year old son he began accusing me of being unfaithful to his mom. He thinks this because he believes that when I was sealed to his mom I promised to love her and be faithful to her for time and eternity and he feels that by me making those promises to someone else that I am not keeping the promises I made to his mom. My daughter who is 14 feels the same way and she said that now she has lost her testimony because of the discrepancy in being able to be sealed to multiple people, it has brought up many questions for her and she has decided to not come to church anymore and she is very upset with me so has also gone to live with her grandma. Yesterday my 11 year old said that she wants to be with her brother and sister so she has also gone to live there and I know she doesn't understand the situation very well too. So my question is how can I explain to my children that I am not being unfaithful to their mom? My oldest son is away on his mission and we spoke about it and he was also not happy but less upset than his siblings. Any advice that you have for me is really welcome about anything in this situation but especially explaining that there isn't a conflict and I can keep the promises to their mom and be with my fiancée. I probably left out details so ask me and I will try to respond and I would love you to pray for me and my family.