My girlfriend rarely takes the initiative to send me text messages or call me. I don’t feel that she likes me. Should I give up reluctantly?

First of all, check whether your girlfriend is an introvert and shy easily. If so, then you will understand the reason without saying much. Furthermore, if you really like her, then as a boy you should be more proactive. Maybe you feel it's unfair. But if you love, why not love bravely? Giving up would be impulsive and you will regret it later. It's better for the two of you to sit down and talk. With the support of sweet memories, I think you won't be too stiff.