Help, boy trouble

Taylor
Okay so i've been likeing this dude and i thought he liked me. we've been talking for about 2-3 months like 24/7 he walks me to all of my classes, we text during school and after school we facetime for 2-4 hours usually. Yesterday and the day before he only texted me once each day and today between 3-4th hour we talked normally and after 4th hour he usually waits for me but today when i was leaving my class i seen him walking really fast so he didn't have to talk to me. WTF DO I DO? Please help, thanks 💖