Need help regarding my boobs... please

So I've been 100 pounds overweight, but I have already lost 30 pounds and I'm still going.

But I noticed in the last year or two, my boobs have changed during the period in which I had gained a lot of weight.

There are stretch marks all around them from the top, near the armpits as well. They are also not very perky anymore (tmi, but the nipples face downwards)

somewhat like in this pic between moderate and severe :

https://www.secretlyhealthy.com/wp-content/uploads/2015/07/SAGGING-BREASTS.png

To me, this is uncomfortable and I hate that they are so saggy now... I'm even embarrassed to show my new bf my breasts because of it...

I would like to be happy with my boobs and especially my breasts, but are they far too gone?

Is there any way I could get them less... hangy and saggy?

p.s. I would get breast surgery but can't afford it atm