How to avoid insecurity?

I'm gonna try to keep this as short as possible, given my predicament. TL;DR in the end.

So, this involves two women in my life: my FWB, I'll call her "A", and this other girl, I'll call her "B".

A and I have this very cool friendship with benefits: we both see each other as just friends, have talked about it and neither have feelings or even think we'd work out as a couple, given our different personalities. So it's all good in this front.

On the other hand, B and I have recently started talking and going out again (we went out a couple of years ago, but for reasons not important here, we didn't go past a second date). Now, we connected really well in both a physical and emotional way, but because we don't wanna ruin things, we decided to just enjoy what we have instead of going straight to a relationship. We decided that if any of us were to develop feelings, we'd talk about it and decide what to do.

A couple of weeks ago, I introduced A to B and they hit it off quite well I assume, given that they made out for a long time that evening. At the time I didn't really mind, because I had only gone out with B once and even though I thought we really hit it off, I had no feelings for her. They even set up a date for tonight, which, again, I was very ok with.

My problem is, since my last date with B, that started on Thursday evening and ended this morning, I think I started having feelings for her. I didn't tell her anything yet because I think it's too soon and I want to be sure of what I feel and how that changes things for me before I go to her with it. I'll probably do it next time we go out. But now I can't help but to feel insecure because of their date tonight.

They are both amazing women and I'm afraid B will just lose her interest in me after their date. I have no real reason to feel like this so far, given that B already told me how she's looking forward to our next date and even made some sort of plan for a future date with me, but still, I'm aware that things change and she might want to follow those plans with A instead of me after tonight.

Have anyone been in a similar situation? How can I cope with my insecurity or even eliminate it not just in this situation, but future ones as well? I appreciate deeply any insight.

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TL;DR - My FWB (A) and a girl I'm developing feelings for (B) are going on a date right now and I feel insecure regarding B's continuing interest in me following tonight. I don't like this insecurity and want to deal with it.

Submitted June 22, 2019 at 11:52PM

I'm gonna try to keep this as short as possible, given my predicament. TL;DR in the end.So, this involves two women in my life: my FWB, I'll call her "A", and this other girl, I'll call her "B".A and I have this very cool friendship with benefits: we both see each other as just friends, have talked about it and neither have feelings or even think we'd work out as a couple, given our different personalities. So it's all good in this front.On the other hand, B and I have recently started talking and going out again (we went out a couple of years ago, but for reasons not important here, we didn't go past a second date). Now, we connected really well in both a physical and emotional way, but because we don't wanna ruin things, we decided to just enjoy what we have instead of going straight to a relationship. We decided that if any of us were to develop feelings, we'd talk about it and decide what to do.A couple of weeks ago, I introduced A to B and they hit it off quite well I assume, given that they made out for a long time that evening. At the time I didn't really mind, because I had only gone out with B once and even though I thought we really hit it off, I had no feelings for her. They even set up a date for tonight, which, again, I was very ok with.My problem is, since my last date with B, that started on Thursday evening and ended this morning, I think I started having feelings for her. I didn't tell her anything yet because I think it's too soon and I want to be sure of what I feel and how that changes things for me before I go to her with it. I'll probably do it next time we go out. But now I can't help but to feel insecure because of their date tonight.They are both amazing women and I'm afraid B will just lose her interest in me after their date. I have no real reason to feel like this so far, given that B already told me how she's looking forward to our next date and even made some sort of plan for a future date with me, but still, I'm aware that things change and she might want to follow those plans with A instead of me after tonight.Have anyone been in a similar situation? How can I cope with my insecurity or even eliminate it not just in this situation, but future ones as well? I appreciate deeply any insight.​TL;DR - My FWB (A) and a girl I'm developing feelings for (B) are going on a date right now and I feel insecure regarding B's continuing interest in me following tonight. I don't like this insecurity and want to deal with it.