DA22
I did not see possessive or obsessive persona in her. Jealous , yes , for sure. But not others.
She tried to have 3some with mc on more then one occasion, she even said her words) i will back down totally , just so her attention is fully faced toward mc (when talking about milly)
When seducing Jules, her first reaction was to involve MC , which noob rejected at the time. But it proves her character and her love to MC.(possessive and obsessive people do not do that)
They are from England. England has big amount of females in army , even special ops. up to almost 40% according to info are female.
Deb was not NCO, they are charged with paper pushing, not actual military personel , she has risen in rank , which means she has seen either combat , most likely or some kind of achievement in her carrier.