Help me pls

My relationship of year is falling apart. We moved in together 4 months in. We’re only 17 and 18 bills fall on us everything got stress for us. Lovey dovy stuff stop. We’re still cuddle and do stuff when we have money but I can help but miss us before we moved in together. I follow on Instagram is in year relationship she will be posting everything there so in love. There 16 and 17 they seem like there relationship is amazing it really brothers me. They don’t live together