I'd always been a bit sceptic about the way Sheila had died,in that she didn't bear any hallmarks of having been faced,or forced by a shooter. Painless and fearless.
However,having read a sad story about an acting couple,the husband having starred in " Downton ",his wife also had starring roles,but while his career flourished,she felt as though hers was waning and as a consequence went into a deep depression,finally ending her life last year. Witnesses who saw the tragic ending to the woman who threw herself onto an incoming train,said that the look on her face was one of serenity.
Serenity is what I would have described Sheila's sad body lying there,and at peace.