Just to make sure I understand the timeline:
8 Years ago the MC was "recently married."
7 Years ago Lora took Norman to the lab.
Norman is at least a teenager at this point, so Norman is not MC's actual son, but his step-son by marriage?
Lora is 36, which makes her 29 7 Years ago.
And Norman is 16-ish, so Lora had him around... 13?
And Norman can't be much younger than 16-ish because Mina is 6-ish, so he had her about 1 year after going to the lab?