Pregnancy Side Effects

So I'm not supposed to pick up anything over 30 lbs. Well, in theory that is fine but I am constantly picking up Tyler to put him in the car or in a shopping cart, so forth. He weighs just over 30lbs. Ooops! Also, my stomach is acting so strangely. Almost anything I eat upsets it. Thought that kind of stuff goes away for the 2nd trimester? Didn't have such an upset stomach with I was pregnant with Tyler. Not a huge deal, just wanted to gently complain!