Your actions during the War are enough to leave me to believe that you do not take being a Knight seriously, only when it suits you best.

[ It's not that she hates him, or wishes ill upon him, but she can't forget the degrees by which Archer tried to play everyone, joining Caster, trying to kill Shirou on more than one occasion. But she is getting better at trusting him, as long as he doesn't question her like this!! ]