<human>: Provide a brief overview of the text.

I'm 22 and she's 21 and we've been dating my gf for just over 3 years and It was going well for a good while and we got on great but recently things have changed and I'm not certain what to do.

Recently it seems like there's no spark there, she just doesn't seem to care / seem bothered to spend time with me. I've hardly seen her in the past few weeks talking a few hours per week and when I do get to see her I get the impression that she just can't be annoyed ( that could just be in my head). 

Besides not seeing each other often there's very little intimacy, we've not had sex in 2 years because she's afraid of getting Pregnant, besides sex she seem to want to do anything else. 

As well as all the above I've spoken to her about going on Holidays with me but she doesn't seem to want to and would rather go away with her friend [F] instead of me. 

I'm not certain what to do, I do love her even though the above does annoy me. At the same time I'm not certain if I want to stay with her or if I'm afraid of being alone.
<bot>: not sure If I[M22] want to stay with GF[22] of 3 years or just afraid of being alone.