It can get better! I will say that finding your person isn’t a cure all to the internal struggles one faces. You can build a beautiful system of trust support and accountability with someone else, but you still gotta carry your own baggage at the end of the day. Set goals, find someone to talk to and keep going.
Not to dismiss the difficulty you’re experiencing, but that’s the very beginning of adulthood. You’re well on track to figure stuff out over several years as a young adult. Life being disappointing at that age does not mean that it will continue that way forever, it just means you’re 19.