work on your diet also. iirc you said before you drank soda like it were water which really isn't good for you at all.
not being able to carry something heavy more than 10 feet would suggest a bit more than just being out of shape.
Couch to 5k/10k. Gets the ball rolling and helps you develop the habit of exercising regularly.
i can't run the track around a football field without stopping constantly because of pains under my ribs, most painful when i breathe. it hurts to run when it happens.
are 10 lb weights really enough to build muscle for you? damn dude how often do you leave your house no offense
there's also those pains when i walk for a long period of time, except it happens left or right in the side of my abs.