As Lisa woke up from the bed. She knew that she had to do something about this backwards aging as her family and friends were quite old. She started to calculate as she remembered herself being born in 2004.
"I think I was sixteen when this whole mess started which was in year 2020. I regressed until I became 8-years-old. Which meant that my birthday was changed to 2012." Lisa thought to herself as she scratched her head. "The calendar for today in my phone says it's year 2036. This would mean that my current birth date is 2018..."
It sent a small shiver down Lisa's spine to think how her 52-year-old mother gave birth to Lisa at her early 30s while her older brother was born in the year 2002 while her mother was 18-years-old. Meaning that the age cap between Lisa and her other siblings was 12 and 16 years apart. Lisa begun to worry as the people and the places around her would change too much to adjust her regression as they seem oblivious to her changes. This would mean that her mother would grow too old to take care of her as she seemed somewhat weaker than previously. It was also possible that her birth mother could change or she could pop out of existence if she kept getting younger and younger.
"I'm not sure what happens if I regress myself too far making her past her 40s. Is she able to give birth that old age or would my mother change." Lisa pondered. "I've read from the internet that woman's fertility starts to slow down as she goes past her 40s which would mean that either this watch has to bend the world to it's knees or that world would just swallow me. Gah..."
With quick math she calculated that once her birthday becomes the year 2024. That will be that. The so-called last year she is able to regress without consequence. She could be able to regress herself six more years if she wanted to. But in order to keep her family together, as they are now, it is safer to just avoid using the stopwatch entirely.
Lisa let out a big sigh as she exited the room.