Am I too worried (about nothing)?

Hello.

M26/F20

Me and my gf have been together for two and a half year now, she lives 1,5 hours away from me, 50 minutes away from where she's studying.

So this thing dates back to January. We had last seen each other on new years eve and the morning after. After this it was normal business - I went home to my house where I live and went to work the rest of the week (thursday to friday), she went back to school for the same days. Then the weekend came, and she was supposed to come visit me. She arrived that friday.

Upon arriving everything seemed normal. Greet, kiss, hug and some talk. As soon as she had brought her belongings indoor she wanted to go have a shower. I thought nothing of it at first as I too appreciate her being fresh and all that. She showed me that her pants had ripped around the crotch area (not like it's done by purpose with much force, I looked at it and it was actual wear and tear that made the fabrics thin and from that had ripped - but to me it seemed that some force provoked the ripping, like taking a big step or bending so that the crotch area stretch). She went to the bathroom, undressed and turned on the shower.

I entered the bathroom too and was met by a overwhelming smell. A familiar one. The smell had taken over the whole room, I smelled it as soon as I opened the door. You know the smell that can occur the same day or the morning after ejaculating in the vagina? A kind of fishy, strong smell. Not rotten, but indeed a strong odor. This started to raise my supicions that not everything was in order. I have smelled this in earlier encounters and relationships, but not from her until now. I didn't really know how to adress this, and mentioned the smell like "do you sense the smell"-kind of way, and she denied smelling it.

After this my heart beated increasingly faster and my mind was really spinning. I had struggles having a conversation because I was so distracted by what was going on inside my head. I had two "theories" that kept coming back on my mind.

- Has she been unfaithful?

- Was she subject of some bad ****? She usually ride her car from home to where she's studying, but this week she took the bus because her car didn't pass the control (rust, worn parts etc.). She had mentioned earlier this week that she looked forward to getting her car back again, because she felt uncomfortable taking the bus because there were strange men on it.

- I tried reasoning that she had had a long day, much travelling (from home, to studies, then all the way to visit me) and therefore had been sweaty/cold/clammy etc.

I tried lifting the conversation, but she didn't want to talk about it. It could be that her smelly pussy made her feel shame, and therefore didn't want to talk about it. I usually let things pass, and I never push a sensitive subject too far. That night I had trouble sleeping, my heart was pounding, and I know she both heard and felt my racing pulse. We never talked of this again. If she knew I was worried and had unanswered questions, why didn't she want to talk to me about it? Yeah call me a weirdo or paranoid, but this lead to me checking the panties she had left on the bathroom, and they were stiff from some kind of dried secretion, white'ish color.

I understand that this can occur in women from various reasons. I tried reasoning that this was just a female thing, and that she might have felt bad when I mentioned it and therefore didn't want to discuss it. Then again this comes back to haunt me from time to time, and I try my best to reason that it was just nothing. I haven't felt that smell ever since that time in January.

Let me know your thoughts