I am taking 19 credits this semester, which include orgo II (with lab) and two mid division physics courses. I have taken this many credits before but this semester I feel like I'm drowning. My current GPA is about a 3.8, though I don't know if that will make it through the semester. If I get mediocre grades this semester, how much of a detriment will that be to my application? I am also soliciting advice about how to manage being constantly overwhelmed.