Teen love life help!!!!!!!!!?

Okay so I'm 13 and the other day my hole class wnt on a trip while riding the bus I notice Bob (fake name) kept lookin over at me. But I really dnt think Bob knows me well cuz we hv no classes 2gthr. But anyway we wld b starin at each other for lk 2 mins. Thn whn he was sittin alone he looked lk he wanted me to sit with him. So can any lk help me wif this cuz I wnna no if he may lk me or not (teenager answer plz)