Phone Bill

Why oh Why can I not seem to manage to keep my phone bill under £100 per month?
I have managed to did it before but I just can't seem to manage to do it now and I really need to as I can't really afford to keep paying over £100 per month on my phone bill.
It costs me £26 for the contract and then another £7 for a text bundle and then £5 for the insurance. So that's £38 a month. I love testing and do that a lot so maybe if I increase my text bundle up one which will cost me £16 a month I might be able to keep my phone bill down a bit. I really want it to be about £80 a month and then try to get it down to £60. I don't think I will have stayed under £80 for this months bill and I am not even through half of my contract month. I'm keeping off it as much as I can and only phoning people if I really need to and I have limited the amount of text messages that I can send as they soon add up.
So I hope for it to be less than £100 this month and then less than £80 for the next 2 months after that and then £60 for the one after that. My contract ends that month and I am then left with the choice of keeping my contract or changing from ORANGE to another company or going on pay as you go. The good thing about pay as you go is you don't get a shock at the end of each month and have just less than 2 weeks to find the money. With pay as you go you can put £10 a week on your phone and then if it runs out you can only top up if you can afford to. I know if I go on pay as you go that I will try to only put £10 a week on the phone but I know that will not last me the week but if I say to myself I can only put £10 a week on my phone then I will not allow myself to top up until the next week.
I spend most of the time on the phone to my friend in Scotland and he doesn't seem to understand my need to cut done on my calls as it is costing me too much and I can no longer afford to keep it up. He thinks that I am being off with him when that just isn't true. Each month when I get my phone bill I can guarantee that 90% of the calls are to him and 85% of the texts are to him. I just can't carry on that way and I have told him but he gets in a really funny mood when I tell him that I have to cut down the phone calls and texts and he thinks that I am being funny with him. Then I give into him and phone him as much as before and I can't afford it as I am a carer for my mum and I don't have a wage coming in each week like he does so I can't afford to keep doing this. I have been telling him this now for months and I never seem to stick to it but this month in the past few days I have spent hours on the phone to him and text him many times and now I just can't afford to ring him. I can no longer afford to ring and phone my other friends and I feel bad about that now but that is because my friend doesn't believe how much I have to cut the calls down by. I have told him that I v=can't ring him for the next two weeks and to only expect 2 texts a week from me for the next two weeks. The only way I can keep in contact with him is via emails and I have told him that. He doesn't have a computer at home but he can go up to the Iibary and use their computers to log into his hotmail account and read his messages. But there is one thing that really annoys me about him and that is I spend ages writing him a email and he doesn't reply. That  really annoys me but emails is all he can have for the next 2 weeks and if he doesn't reply then he won't get one until he does. I know that may seem harsh but if he can't be bothod to reply to my emails when I have spent about 30 minutes writing them why should I bother to write more?
I have told him from now on when I get my minutes I can phone him once a week for 10 minutes and text him 5 times a week and email him a couple of times. He still gets to spend the most time on the phone with me than anyone else but as no one else was getting phone calls because I was spending all my money on the phone to him I have had to split up the time between my friends as it's not fare on my other friends that my Scottish friend is getting the phone calls and they are not.