Theres 2 guys and i dont know who to choose? help me plz?

okay so here it goes okay soo there are 2 guys that wanna go out wit me and they both live in cali but idk how to choose 1. This 1 guy is older like 17 and hes about to grad this yr and we been knowin each other for like half of the year or so and then theres this other guy my age but we only been knowin each other for like a month and he really likes me. And the older 1 broke up his gf for me and i dont wanna feel guiltyt if i screwed him over. I like them both sooo much idk wat my heart is tellin me anymore. Plzzz help me