How you feel when a man open very easily and maybe quickly for you his feelings?

I have been many times in the position that I express the feelings I have for a girl too easily and too open from the beginning. I feel these feelings. But most of them, are they like or not interested or have boyfriend or they don't see me like a boyfriend erotically or they say let's wait for a little bit to see where is it going.

For me, when I express my feelings I am sure that I like her. I like many womens. I just want to have fun with a girl and have a good time with both of us and express ourselves and our goals about the future and our lives. I am really like straight-forward most of the times. What's your opinion? How would you feel if a man express his feelings early?
How you feel when a man open very easily and maybe quickly for you his feelings?
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