My friends don't take my relationship seriously and I'm feeling used by them?

So my feelings all started when my friend called my current boyfriend a rebound. Before I started dating this guy I was in a 6 1/2 year relationship that ended terribly and I was also sexually assaulted by a male friend during the same time period. I fell into a serious depression and was suicidal for a while. My friends were really supportive during those early months. I met my current boyfriend 8 months after the breakup and when he asked to make it official I told him everything that has happened and about my depression and that I was still healing. He said he would help me through and he has definitely done that and has been a wonderful boyfriend. I genuinely liked him when we started dating. My depression got really bad and I felt numbness towards everything including him, as my depression began to get better I became more open and could actually feel again. I've been so happy with him but my friends basically told me everything I posted online of us together was just to try to get at my ex. Calling my boyfriend a rebound really pissed me off because I feel it's undermining our relationship and I never even thought of him like that.
My friends pretty much use me for money because of the excuse that they're broke so I didn't mind paying until I realized they spend their money of stupid things (I've done this for years). I'm also like their personal therapist even though they don't really listen to me when I need to talk (they change the conversation back to themselves). When my boyfriend and I were helping a friend move they were making rude "jokes" about me. It also annoyed me that they would speak this way about my boyfriend when he would drive and pick us up from nights out and he was helping one of them move. I thought my anger and annoyance would go away but its been a few weeks and I'm still angry. We've been friends since high school and they're my only friends. Am I just being sensitive? Or is there a problem here?
My friends don't take my relationship seriously and I'm feeling used by them?
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