have i been gay this whole time?

Ok,here it is.
I am a 25 year old male and up until a few months ago never considered i might be gay but, now looking back i realize perhaps i have been repressing some things without being aware i am doing it.

I never experienced a crush as a young child, and never felt any kind of interest in girls at all. Dating, romance, and curiosity about womens bodies were just not a factor in the majority of my life. As i got older though, i started to notice the absence of these feelings. I would ask myself for years when i was going to understand what all the o her guys were feeling towards girls. I felt like i was waiting for something that never came.
Finally, around 18 i got a girlfriend but , it was only because she persued me. Might as well right?. At first i hade a difficult time with the sex. It required a lot of concentration to keep myself going until the end. That past though and i guess i coonditioned myself to perform on command. I would even seek it out at times. We eventually broke up because of my drinking and a growing resentment i felt towards her for reasons i cant explain. Years go by and i dont look for another girl or even really miss it.
Now to the present. I am a delivery driver for home depot and drive hundreds of mile a day. While picking up a transfer from another store i encountered a very attractive, clearly gay guy employee around my age. We talk briefly about this or that and i leave to load up my truck. I could have done it on my own but for some reason i go back inside and recruit him to help me. Something about his mild femmenine mannerisms captivated me. Driving back i realize i am the happiest ive felt....ever, and i start checking every day hoping to see i have another transfer there. In retrospect i think i was actually flirting with him which is something i didnt even really understand how to do and definitely had never done with a woman. Since being gay had never occured to me before this point i dont really
know what to do or think. Any insights or opinions would help greatly. Am i gay?
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