They say age is just a number, but when that number seems stuck in time, people can't help but notice. Resident Evil: Death Island was finally released on Blu-ray and digital download yesterday, and fans were quick to notice that Jill Valentine appears conspicuously younger than her BSAA counterparts, leaving many wondering how this is even possible.

Earlier this year, when Capcom announced the CG animated film, they treated fans to a presentation trailer featuring the film's main characters, Chris Redfield, Leon S. Kennedy, and Jill Valentine. Capcom was, of course, prepared with receipts.

The development team behind the film knew fans would notice Jill's younger appearance, so they explained in a character bio post that the T-virus infection was responsible for slowing down her aging.

Jill got infected with the T-virus in Resident Evil 3 back in 1998, when she was 24. Leon and Chris were 21 and 25, respectively, at that time. Even though she received a vaccine that destroyed the virus, some of it remained dormant in her body, which could explain the information released about her age.

In the events of Death Island in 2015, Jill would be 41, while Leon and Chris would be 38 and 42, respectively. Though Leon and Chris have visibly aged over the past 17 years, Jill doesn't seem to have aged a single day. Assuming the T-virus explains her slowed aging, it certainly doesn't explain why her clothes haven't changed as if she were frozen in time like Captain America.