im 22 years old guy with a girlfriend that is also 22. we've been together for almost 2 years now and lately something bad is happening to our relationship. She kept saying that im immature and constatly over small things and end up my girlfrind asked for a "break" not a break up but a break. she said tht she still love me but now she already seeing someone but the relationship is like "i like him as a friend". So what should i do? should i hold on? or should i just give up? and how to be more matuere?