Is it reasonable for me to leave?

It's my first time wwoofing and I just finished my first day of work. On my side, I admit I am very very unprepared with the necessary equipment for farm work, but I wasn't expecting the host to provide anything for me, it wasn't like I was in a dress or anything, I would still have been able to get stuff done with what I had on, but the host didn't seem to happy about it and made me change.

The work itself wasn't that hard, in fact, it barely was any work at all, maybe it's just my anxiety or my resting bitch face but my host seemed to think that I was having a real hard time and gave me a talk on how I still had to do what needed to be done and that farming is hard work and that I should reflect upon why I chose to come here and ready myself for the work, even though I told him I was fine. It wasn't like a stern talking to or anything, he was still really nice.

I don't know, there really isn't anything horrifying for me to want to leave but I am just not happy here and I don't see myself fitting in on this farm. Is it reasonable for me to tell my host I want to leave? Would leaving tomorrow be too soon?