@Siewli it's tough when theory meets reality and you end up having a miserable time.
Hang in there for as long as you can, please. You have made a mental commitment, so, as a wise counsellor of mine suggested, treat it as being an interesting experience. Afterall, you are giving yourself the best chance of survival .
Chemo is usually a shitfull experience, but there are degrees of horrible and sometimes even the strongest willed have to stop. Don't give up until you have to.
BWT, you sat in the chair and accepted the cannula with all that entails. You are already a warrior. Mxx