Boyfriend jacks off all the time?

So every night I don't want to have sex he goes to jack off making me feel like I'm replaceable I wanna know if I'm jealous or over reacting but I hate it he leaves the bed and goes to the bathroom. Shouldn't he be hiding it? It also makes me feel like he just wants to get off making me feel not appreciated in the bedroom
Boyfriend jacks off all the time?
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