I hope this doesnt get buried, and sorry for bad horrography, im ib ny phone and english is not my main language.

My gf is 21, im 22

Its getting difficult for me to getting hard while having sex with my gf, its really weird because some time i can, other i cant, i'll give some back story:

I've been with her for almost 6 years, we didnt had sex for the first two, she just was really shy an i was her first bf so she didnt really knew how to approach all this, she is my first GF too, but at least i had more of an idea of how lead the relationship. She was/is really vainilla, and for a long time without exagerating 98% of the times, i made the first move every time we had sex, slowly but steadly i tried to do more things in bed, spicy it up a little bit, i dont know how "normal" this is but only in our 4th year she start to give head to me. Now dont get me wrong. Im not saying she HAVE to do this or that, but she was always slow in that kind of things.

Now there is something that has been happening latetly, i've been having problems with my dad, and some coworkers, and with my classes, i know that stress affects on the libido, but its been 3 or 4 times she wanted to give me head from the start but hell, i wasnt hard enought. I dont wanna be mean, and hod knows i love her to death, but she isnt reaaaaly hot, im not model, i even have a bit of a gut but at least i lift, and i always try to look good for her. She doesnt know how to be sexy at all, or even flirt, hell i've talked with some classmates, that flirt just a bit because they are like that and they got me more exited than when she do it.

I know its not her fault, or at least i dont think so, probably is all the stress i been having, but at the same time i dont know what to think, i dont wanna think that something is wrong with me because of my pride, but i cant help to think that if she knew how to be more... Sexy? Idk, i really dont know, i dont wanna throw shit at her, but she rarely try to look good, always the same old saggy jeans and old sneakers...

I really love her, and it hurts me when i cant show her psisically how much i do, and then when she is just sad because she think that i dont like her anymore...