Your body needs to release that heat or risk overheating (heat stroke). If the outside temp is the same as the inside, then you have to rely 100% on sweating. So you’ll feel hot due to the slowing release of heat energy.
Yeah well we can try to understand each other and our motivations and what makes us human or we can simply judge others and get angry and call people names. Jenny thought Forest was mentally retarded (to use an antiquated term). So no she’s not going to pursue a relationship and no she’s not gonna entrust her child to him even tho objectively she should have she simply did not have the perspective the audience does. So she made a lot of bad decisions because she never was shown the right ones. And at least she learned from her mistakes.