My partner thinks im pregnant?!?

Let me start this post off by giving some more details into this cycle and about my partner and I. My partner and I have been ttc for roughly 2 years. We experienced a miscarriage in october of 2018. We havrnt had any luck since then. Im usually the one running to him telling him i have all these symptoms and that i think im pregnant (usually im not). I have irregular cycles sometimes but usually they are pretty regular/coming within the set of lengths or days between 27-37 days. So according to Glows prediction of when i ovulated we BD 3 days prior to that day (15% chance) we werent doing that to "make a baby" we just did it because we wanted to. Well around 5 dpo (again according to when glow predicted my ovulation) i left to go help care for my dad and wasnt sure how long id be gone. Later that night when my partner got home we were talking through messages and i sent him a sticker of a couple who was pregnant and his reaction was NOT what i was expecting. Usually when i send that sticker he says "i hope so". So when i saw the words "i bet you are" i started freaking out because i didnt know what he meant or if he was just joking with me. So i replied "why do you say that"

Him: "i think you are"

Me: "how come"

Him: "ill buy you a test"

Me: "when did you even start thinking i might actually be pregnant?"

Him: " a couple days ago"

Me: "why didnt you tell me a couple days ago? And what made you think i was?"

Him: "because i wanted to wait and because of how youve been acting"

Me: "wait. How have i been acting?"

Him: well youve been getting mad easily at people here (ie my family that we stay with currently) not with me though and youve been going to the bathroom more than usual"

Me: "wait i have? I havent noticed any of that"

Its been since sunday night we had that conversation. Im going on 8dpo and my boobs hurt and have been hurting since 5dpo. I had really weird cramps 2-3dpo it felt like i was going to start my period and i felt like i was bleeding but it was just discharge and my partner said "it could be your uterus contracting to make the egg go down to youe uterus" . look, my bf knows theres a sperm and an egg and that it makes a fetus but he doesnt know and would have no way of knowing if that could cause cramps like that it was quick and on the spot he didnt have time to look up for an answer like that. My bf has been saying strange things he would never say to me and he thinks im pregnant. Today ive been having a headache off and on and was a bit naucious when i woke up and off and on all day from hunger. Ive been eating and eating and i just cannot seem to get full. Ive been a little achey and super fatigued since 5dpo as well but i chalked it up to the season changing, allergies, and theres a cold going around my house so i thought i was getting sick. My nose has been stuffy since then too but i havent really had much else to go off of except before my partner and i had that conversation about him thinking i was pregnant i had a metallic taste in my mouth that whole day and every day since and nothing is making it go away. Let me know if youve experienced anything like this when you were pregnant, the symptoms or the partner "knowing" before you even notice. Id love to read youre stories and get your insights. Is 8dpo too early to test? (If i ovulated the day we did it i wpuld be 9-10 dpo right now but based off of glow im 7dpo today 8dpo tomorrow. Let me know what you think is going on and thank you for taking the time to read my story and to comment and post your own.