Is trying to gain weight a good idea for me?

Anonymous
So, I'm pretty skinny. 24 inch waist, 34B, and I'm a two in jeans (at least at American Eagle and Hollister- I've never tried anywhere else.) I like to run, so I'm rather toned.

Essentially, I think if I allowed myself to gain weight, I will probably lose my abs, but my breasts and butt will likely get bigger.

Is it worth it? I've always wanted to have bigger boobs, and the way I see it, it's reversible. If I don't like it, I can just loose the weight. Especially since I'm young and like to run anyways.

Should I give it a shot? I'm not going to entirely let myself go, I'm just going to let myself gain ten pounds or so, while continuing to exercise. Good idea/bad idea?

37.media.tumblr.com/.../...nzsS1X1top10oo1_500.jpg
fitties.co.vu/.../63-tumblr-on-we-heart-it

The second picture is what I looked like about six months ago, which I didn't like because my breasts got even smaller than normal, and the second picture is about where I am now.

I'm hoping for a softer, curvier look, but obviously I'm not trying to get fat.
Updates
+1 y
sorry, I actually linked the wrong image. The second pic is more what I look like now, and this is what I looked like earlier this year
31.media.tumblr.com/.../...5kEd7P1sivad2o1_500.jpg
Is trying to gain weight a good idea for me?
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