3.5 months old and I'm going crazy

Amanda🐼 • 32• married • mommy to Brayden 7•30•15
My son is 15 and a half weeks old. He is teething, and at the same time going through a mental leap. I feel like I'm losing my mind. He has to be held constantly or he's screaming. My head can't take it anymore!
Any of you been there done that mama's that can give me some encouragement that this will end soon?! I miss my happy baby 😩