"I don't want to lead you on", "but I like you". Why a guy would say these?

I met this guy through a dating site. He said he wanted a long term relationship but not in a rush. I am the same way and I told him that I practice monogamy. He said he's the same. We went on dates that he planned mostly (amusement park, movie, comedy show etc.). We enjoyed our time together; the holding hands, cuddling, and most specially, the sex. I got curious one time so I asked him if we are friends with benefits, he said "for now". Then the last time I asked again, " are we dating now?", he said "I don't wanna lead you on", "I guess we can call this a date", "yes, let's call it a date", He even said "I won't call this friends with benefits, friends with benefits sounds shitty", "I like you, but we are not locked in yet", "we are still knowing each other", "I am still on a dating app, I still want to explore". Hearing these, I felt like my heart broke. When we started having sex, I cut-off all of my chatmates and deleted my profile on dating sites. I know I don't have the right to ask him to do the same but I feel like if he will be still checking out someone else, then it's unfair for me.

The next day, I texted him that if he will be meeting up with other ladies from the dating apps, then it will be the end of whatever we have. He then told me that we should both moved on. It's painful for me, but I won't beg him to stay. I said goodbye to him and decided to block him on my fb messenger which is our primary way of communication. He does have my cellphone number and a part of me is hoping that he would reach out to me at some point. We only knew each other for 2 months but freaking this hurts.

"I don't want to lead you on", "but I like you". Why a guy would say these?
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